Knowledge base software
Public help centers and self-service documentation.
592 products
Issuu
Contact salesConvert PDFs and documents into interactive flipbooks, embeds, and marketing assets.
Free planStatuspage
$20/moReal-time incident communication tool for sharing status updates with users during outages
Free planCalaméo
Contact salesPublishing platform for digital magazines, interactive publications and online catalogs
Free planThingiverse
Contact salesA community for discovering, making and sharing 3D printable designs
Free planFlipsnack
$38/moFlipbook maker for creating, sharing and tracking interactive publications from PDFs
Free planEnabling all young people to realise their full potential through computing
Free planGlosbe
FreeFree online dictionary with in-context translations, example sentences, and pronunciation.
Free planHealthcare.gov
Contact salesOfficial government website for the Health Insurance Marketplace
Free planVocabulary.com
FreeA dictionary for learning, with games and study tools to improve vocabulary
Free planPortSwigger
Contact salesWe enable the world to secure the web. Burp Suite, the Web Security Academy, and world‑re‑
Free planA forum for discussion about Bitcoin, its ecosystem, and related topics.
Free planJisho
Contact salesA Japanese-English dictionary for looking up words, kanji, example sentences and more.
Free planOpen sourceSymbaloo
$4.49/moBookmark manager and homepage organizer for individuals, educators, libraries, and schools
Free planSimply Wall St
Contact salesImprove your portfolio, speed up research, and find winning stocks
Free planTYPO3
FreeA democratic open-source project with solid governance, backed by a not-for-profit member
Free planOpen sourceUserGuiding
$249/moAll-in-one product adoption software for creating and optimizing in-app experiences.
Free planIETF Datatracker
Contact salesDay-to-day front-end to the IETF database for people who work on IETF standards.
Free planOpen sourceTurns your organization's know-how into a living, reusable memory for humans and AI agents
Free planGoogle Design Sprint Kit: Transform the way your team works.
Free planOpen sourceRichpanel
$0.20/moThe helpdesk where AI closes 50% of tickets, with a 50% automation guarantee in 30 days or
Free planInspiring every child to create their best digital future
Free plan100% Free Privacy Policy Generator – Easily Create Privacy Policy
Free planThe Visual Novel Database (VNDB)
Contact salesA community-edited wiki database cataloguing visual novels, their releases, producers, and
Free planownCloud
Contact salesYour file platform — the most essential business tool for enterprise-grade file sync
Free planOpen sourceAll My Faves
$4.58/moVisual homepage specializing in logo-based bookmarks and the best top 10 sites of 1
Free planGapminder
Contact salesAn independent educational non-profit fighting global misconceptions with a fact-based, UN
Free planWebCite
FreeOn-demand archiving system for webreferences to ensure permanent access to cited webpages.
Free planPublic.Law
FreePublic.Law — Online law library providing access to statutes and legal resources
Free planExpressionEngine
Contact salesThe world's most flexible & secure open source CMS.
Free planOpen sourceDriving Tests
Contact salesDriving Tests — Free state-specific DMV practice tests for car, CDL and motorcycle
Free planPort Forward (Network Utilities / PFConfig)
Contact salesSoftware tools and guides for setting up port forwarding in home and office routers.
Free planendoflife.date
FreeEnd-of-life dates and support lifecycles for various products.
Free planOpen sourceDocsBot AI
$49/moAI agents built from your business knowledge that answer questions and take actions.
Free planSecurityScorecard
Contact salesThe AI operating system for end-to-end third-party cyber risk management
Free planTiki
FreeOpen source no-code/low-code web application framework combining wiki, CMS and groupware
Free planOpen sourceA free knowledge commons where community contributions are gathered by matching titles
Free planUserEcho
$19/moAll-in-one customer support software combining helpdesk, feedback forum, knowledge base, &
Free planSavee
$9/moA curated place for visual inspiration where designers discover references, collect images
Free planSeafile
$8/moOpen source file sync and share software for teams and organizations.
Free planOpen sourceUnbiased
Contact salesA UK platform matching people seeking financial advice with qualified advisors.
Free planTrendWatching
$82.50/moConsumer trend intelligence platform with an innovations database, trend reports and AI x-
Free planSnap Surveys
$30/moSnap Surveys: Survey software with an optional managed service covering design, distribut
Free planDevDocs
FreeFast, offline, and free documentation browser for developers that combines 100+ API docs (
Free planOpen sourceUmfrageOnline
Contact salesOnline survey tool for creating questionnaires and collecting unlimited responses.
Free planDownload free symbols, footprints, and 3D models for electronics design
Free planBookStack
Contact salesSimple, self-hosted platform for organising and storing information
Free planOpen sourceLibib
$9/moCloud-based library management and circulation system for schools, organizations, and home
Free planWebExtension.ORG
FreeFree static web hosting and product pages for browser extensions and mobile apps
Free planOpen sourceSocialCompare
FreeFree collaborative comparison engine for creating and sharing comparison tables.
Free planOpen-source software for creating graphical point-and-click adventure games.
Free planOpen sourceRapPad
FreeA community for rappers, producers, and hip hop enthusiasts with tools to write and share
Free planTizmos
$15/moType one sentence and get a short real-world mission for students to do away from the send
Free planGraphComment
FreeTurn your audience into a community with discussions, votes, shares and media embeds on a
Free planTableau Public
Contact salesA free platform to explore, create, share data visualizations, and connect with data.
Free planWetu
$75/moThe collaboration platform bringing Operators together to build travel's most trusted itin
Free planBlueSpice for MediaWiki
Contact salesEnterprise wiki software for teams and mid-sized companies
Free planOpen sourceA community site for Mario fan games, resources, and discussions.
Free planReleaseNotes
$39/moAI-powered changelog and release notes tool for sharing product updates with users
Free planA website for sharing tutorials and descriptions of projects made with Arduino boards
Free planOpen sourceRealReviews.io
$19.99/mo: A platform for reading, writing and publishing customer reviews of companies, with an AI
Free planeGain
$249/moAI knowledge platform for customer engagement across enterprise service channels.
Free planRomajiDesu
Contact salesFree online Japanese ⇆ English dictionary, Kanji dictionary, sentence analyzer and Romaji↔
Free planDrag'n Survey
Contact salesOnline survey software for creating, distributing and analyzing surveys.
Free planilert
$10/moAI-first incident management platform with alerting, on-call management, and status pages
Free planrater8
$89/moHealthcare reputation management platform for patient reviews, listings, and feedback
Free planBabylon
Contact salesTranslation @ a click! The perfect translation solution for every need!
Free planStalwart Mail Server
Contact salesOpen-source mail and collaboration server combining email, calendars, contacts and file in
Free planOpen sourceEnchant
$5/moCustomer service software with omnichannel shared inboxes, knowledge bases and live chat
Free planwallabag
Contact salesSave web articles and read them later from your own archive.
Free planOpen sourceBookends
Contact salesReference management for macOS: collect, annotate, organize and cite published information
Free planGoLinks
$2/moAI-driven platform for retrieving and sharing information through internal short links
Free planPulsetic
$9/moFree website uptime monitoring with 10 monitors, multi-region alert confirmation, and 3 on
Free planHelpSpot
Contact salesHelp desk software that just works — simple, reliable, and affordable.
Free planProProfs Training Maker
$1.99/moAI-powered online training software for employee training, compliance and skill assessment
Free planConveyor
$800/moAI for high-stakes customer questions such as security reviews, vendor assessments and RFP
Free planLibreGameWiki
FreeA free gaming encyclopedia covering games developed as open source with open media.
Free planOpen sourceKanshudo
$9/moLearn Japanese kanji, kana, vocabulary and grammar with lessons, flashcards, games and a
Free planCoppermine Photo Gallery
Contact salesA multi-purpose web gallery script using PHP and MySQL.
Free planOpen sourceFlenski
$19/moAll-in-one platform for building branded community, course and membership apps
Free planMibew
Contact salesOpen-source live support application written in PHP and MySQL for one-on-one real-time web
Free planOpen sourceSlickplan
$10.79/moCollaborative website planning suite for content and UX teams with AI assistant
Free planBabelStone
Contact salesPersonal site of Andrew West: software, fonts, Unicode utilities, historical scripts, and
Free planDenser
$39/moAI chatbot + built-in helpdesk. Deploy AI customer support everywhere, in minutes.
Free planFormaloo
$19/moEnterprise operations intelligence and workflow platform combining forms, portals, PDFs, e
Free planCap
$2.42/moFree screen recorder and open source alternative to Loom for Mac, Windows and Linux
Free planOpen sourceGoSearch
$20/moAI enterprise search platform with AI agents and workflows that find answers across your S
Free planSilverBullet
$2/moOpen source markdown knowledge management software that grows with you.
Free planOpen sourceSanplex
$4.16/moFull-lifecycle project management covering product, project, and test management as a Jira
Free planHay's tools
Contact salesA list of tools made by Hay Kranen, focused on Wikimedia, Wikidata, and Wikipedia projec
Free planOpen sourceCayzu
$469/moAffordable omnichannel cloud help desk and incident ticketing system for small businesses,
Free planSota2
FreeRankings of AI solutions for businesses, consumers, and AI agents by the task they need to
Free planSignify
Contact salesContract management platform for sending, signing, tracking and storing documents.
Free planHelpSite
$49/moSimple, AI-searchable knowledge base software for public help centers, private SOPs, and S
Free planEverything I Know Wiki
Contact salesA personal wiki collecting notes, links and resources on programming, technology and other
Free planOpen sourceElephas
$19/moYour ideas, your files, your AI, fully Mac-native. Personal ChatGPT from your own files.
Free planGDPR Made searchable by Algolia
Contact salesOfficial text of the GDPR made searchable, with chapters, articles and recitals available
Free planProProfs Help Desk
$29.99/moAI help desk for shared inboxes, ticket workflow automation, and scaling support teams
Free planTagSpaces
FreeFree, open-source file organizer for Windows, macOS, Linux, and the web that works offline
Free planOpen sourceInfoSoud
FreeCzech public portal for looking up the progress of court proceedings by file reference.
Free planSearch tool for Catholic church services in the Czech Republic
Free planFiveFilters Feed Creator
Contact salesWeb to RSS Generator — Transform webpages into custom RSS feeds
Free planChoice of Games Forum: Discuss Choice of Games, ChoiceScript, and interactive fiction.
Free planRead the Docs
$50/moDocumentation platform that builds and hosts from your Git repo
Free planOpen sourceArchivesSpace Public Interface (Ohio University Libraries, Mahn Center for Archives and Special Collections)
Contact salesSearch across finding aids for materials held in Ohio University Archives, Manuscript, and
Free planFactGrid
FreeAn open collaborative database for research data, run by the Gotha Research Centre, the HJ
Free planOpen sourcePDFRun
Contact salesOnline PDF editor, converter, e-signature and document management platform
Free planFreezePage
FreeFree online service for freezing web pages — save, share and prove what is on the web
Free plandDocs
FreePrivacy-first, end-to-end encrypted document editor for real-time collaboration. Self-sove
Free planOpen sourceCopyleaks
$13.99/moAI content detection and plagiarism checking platform for enterprises and education.
Free planA repository for the permanent secure storage of digital assets.
Free planDitjen Dukcapil Kemendagri - Portal Layanan
Contact salesPopulation and civil registration services portal for Indonesian citizens.
Free planLLMGraph
$40/moBuild customer support chatbots and AI agents from your docs with LLMGraph, no code needed
Free planTurnierBuilder
FreeFree online tournament planner for football, handball, volleyball and more.
Free planMacherMentor
Contact salesOpen online session with Joe Martin for young entrepreneurs using AI.
Free planMentia
$99/moBoost your visibility on Google and AI with Mentia's SEO, GEO, and blog articles.
Free planLares Pecoris
$16/moVeterinary clinical reference for veterinarians — all species, all specialties, with cited
Free planvozovi.rs
Contact salesSerbian train schedules, delays, and passenger status for BG Voz, Srbija Voz, SOKO.
Free planCustodio Legal
$15/moAI that works on your case file rather than on the open internet: it reads your documents,
Free planInti Holy
Contact salesA bilingual Vietnamese–English Bible, prayer and a companion for your faith
Free planChemotion
FreeAn open-source electronic laboratory notebook and data repository for chemistry research.
Free planOpen sourceArbeitgeber-Alarm
$9.95/moGet alerts when official sources publish changes relevant to your business
Free planGilbert
$24.90/moSovereign French AI assistant recording, transcribing, and summarising meetings for data-.
Free planArguman
FreeArgument analysis platform for mapping premises, supports, and objections.
Free planOpen sourceKasava
$29/moKasava reads your code, calls, and docs, then drafts the PRD. You edit, push to Linear orJ
Free planAllAnswered
$5/moTeam's Single Source of Truth – Trusted Knowledge, Intelligent AI, High-Performing Team
Free planQast
Contact salesAI knowledge platform for capturing and surfacing internal company knowledge.
Free planBeezop
$20/moChecklist & process management software for creating, sharing and tracking recurring work
Free planRepsona
$7/moWork management software for teams combining task management and knowledge sharing
Free planAckly
$99/moSlack bot that tracks whether questions in support channels get acknowledged and answered.
Free planChat Aid
$119/moAI assistant powered by your company's data. Get answers in Slack, Microsoft Teams, Chrome
Free planTreeLine
FreeTree-structured information manager with fields forming a mini-database.
Free planOpen sourceMondovo
$20/moAI website design platform that turns a business description into multiple complete site
Free planFaveo Helpdesk
$7.20/moHelpdesk and Servicedesk software with ITSM, AI and RMM for support teams
Free planOpen sourceKanBo
Contact salesWork coordination platform for managing projects, processes and workflows.
Free planCorrect your English writing with virtualwritingtutor.com - the best grammar checker, essy
Free planA site to keep track of critters you can catch in Animal Crossing
Free planAnalysis Tools
FreeFind static code analysis tools and linters for Java, JavaScript, PHP, Python, Ruby, C/C++
Free planOpen sourceRLAMA
Contact salesThe complete AI platform for creating RAG systems and intelligent agents. Build, deploy, &
Free planOpen sourcehcker.news
FreeA better Hacker News reader for following stories, filtering noise, and keeping up with
Free planA maintained, canonical meta-index of indie web and small web index sites.
Free planMoltis
FreeA secure persistent personal agent server in Rust. One binary, sandboxed execution, multi‑
Free planOpen sourceDictionary of people and institutions in Czech music culture, past and present
Free planCriticalIQ
FreeUK protection comparison tool covering critical illness, life cover and income protection
Free planSOPX
$9/moAI SOP and work-instruction platform for operations teams — turn process videos into SOPs
Free planPPWR QR-Code
$20/moPlatform for creating dynamic QR codes and labels for EU packaging regulation compliance
Free planSubventia
FreePlatform for French non-profit associations covering grant applications, corporate sponsor
Free planMudBuddy
FreePottery first. We handle the rest. Software for pottery studios and potters. Track every p
Free planRecapro
$22.90/moSovereign AI meeting transcription and summarisation, hosted in France or on-premise.
Free planShipstar
$20/moAutomated product marketing for developers: push code, generate changelogs and more.
Free planBlesk.io
Contact salesAutomatic creation of step-by-step instructions for websites and applications
Free planCATMA
FreeAnnotate, Analyze, Interpret and Visualize – Computer Assisted Text Markup and Analysis
Free planOpen sourceWeb & SEO
FreeFrench-language directory of web and SEO tools, with reviews and content-writing services.
Free planDoxyS
FreeA code documentation tool for C++/C that generates structured, navigable HTML pages from
Free planOpen sourceQuriobot
$13/moBuilding your own chatbot is easy! Increase conversion with 28% and get 21% more leads! 24
Free planXiphos
FreeBible study application for GNOME, available for Linux, UNIX, and Windows
Free planOpen sourceBeat
$5/moBeat is a project management tool for teams that combines messaging, tasks, milestones and
Free planOpenSong
Contact salesFree, open-source application for managing lyrics, chords, lead sheets, overheads and live
Free planOpen sourceDon't let your engineering brain rot in the age of AI
Free planOpen sourceVoicegram
Contact salesVoice messages that make your business better and your Google reviews stronger
Free planWaiverChaser
$15.83/moDigital waiver collection software for gyms, studios, camps, and service businesses.
Free planArchivesSpace
Contact salesOpen-source archives information management application for managing and providing web/URL
Free planOpen sourceBetula
FreeSelf-hosted single-user federated bookmark manager with archival support.
Free planOpen sourceOpen Archiver
Contact salesOpen Archiver: Open-source, self-hosted email archiving and eDiscovery.
Free planOpen sourceCollectiveAccess
FreeSoftware for describing and cataloguing museum and archival collections
Free planOpen sourcePushword
Contact salesAn open-source CMS built on modern PHP with optional Rust acceleration and flat-file mode.
Free planOpen sourcePapermerge
Contact salesDocument management system for digital archives, GoBD compliance, and long-term storage
Free planOpen sourceSeedDMS
FreeDocument Management System with workflows, access rights, fulltext search, and more.
Free planOpen sourceMarmot
Contact salesOpen source context layer for AI agents and humans, cataloging data assets and making them
Free planOpen sourceOpenReader
Contact salesOpen-source text-to-speech document reader with read-along narration for EPUB, PDF, TXT,MD
Free planOpen sourcePlainpad
Contact salesSelf-hosted, open-source note-taking application that keeps notes on your own server.
Free planOpen sourceManageMeals
Contact salesManage recipes on a clean platform without ads or filler text.
Free planOpen sourceClearFlask
$9/moFeedback management tool for collecting, analyzing and prioritizing customer feedback with
Free planOpen sourceBar Assistant
$27.50/moManage your cocktail bar's recipes, inventory, and orders in one place.
Free planOpen sourceDocumize
$75/moKnowledge management that runs entirely on your own infrastructure. Docs, wikis, templates
Free planOpen sourceBulldozair
Contact salesConstruction management app for technical teams covering field data capture, inspections,
Free planBloomberg Regology
$1,700/moAI agents for regulatory change, compliance workflows, and legal research
Free planMedCrypt
$2,916.67/moSingle platform for medical device cybersecurity compliance covering premarket submission,
Free planSherloq
$16/moAI data agent that understands your SQL context and works directly in your editor.
Free planinnoChat
$69/moPlatform for building, training and deploying custom AI chatbots and agents on your own
Free planHumanagement
$5/moEmployee training and knowledge management platform combining courses, knowledge base, AI.
Free planいきなり議事録
FreeAI meeting minutes service for online meetings, with summaries, transcripts, and knowledge
Free planHjarni
$11/moA Markdown knowledge base with a built-in MCP server that gives AI assistants long-term
Free planHana
FreeTurn any Google Chat message into the next step with grounded answers, follow-ups, and AI.
Free planEveryPage
$9/moShare a PDF and get page-by-page reader analytics: who opened it, how far they read, who's
Free planEmbedAI
$19/moCreate an AI chatbot powered by ChatGPT trained on your data and embed it on your website.
Free planQuickhunt
$29/moAI-Powered Customer Feedback, Support & Engagement Platform for SaaS teams to collect, tri
Free planDocsMove
$29/moContract lifecycle management, eSigning and document management on one platform
Free planKroolo
$25/moAn AI-native workspace combining projects, docs, goals, search, and AI agents in one plac
Free planCredit Letters Software
$29/moCredit repair platform with AI credit report analysis and dispute letter generation.
Free planOnsite Support
$299/moAI-powered ecommerce helpdesk that turns support tickets into order-resolution workspaces
Free planNoCodeOps
FreeA community and platform for operations professionals using no-code, AI and automation.
Free planPartnerPortal.io
$249/moLaunch a partner portal in minutes, not weeks. The only PRM with a free tier and native CR
Free planProductBridge
$29/moCustomer feedback and support platform linking requests to a single customer record
Free planReview My eLearning
$29/moReview eLearning courses from any authoring tool, including AI-generated content, with a 1
Free planNexvio
$24/moAI-powered customer support chatbot that learns from your content and handles routine 24/7
Free planSapeum
$500/moSapeum captures undocumented know-how from experts as living workflows — a source-of-truth
Free planSflow
$3.99/moAI business tools, with ChatBot, Agent, and Data analytics to help your team perform their
Free planTaskTrain
$5/moTaskTrain turns each standard operating procedure into a skill — a ready-to-run spec for a
Free plan