Knowledge base software
Public help centers and self-service documentation.
205 products
A Q&A platform software for teams, usable as a community forum or help center.
Open sourceJisho
Contact salesA Japanese-English dictionary for looking up words, kanji, example sentences and more.
Free planOpen sourceSocial annotation platform for higher education that lets students highlight and comment直接
Open sourceTYPO3
FreeA democratic open-source project with solid governance, backed by a not-for-profit member
Free planOpen sourceIETF Datatracker
Contact salesDay-to-day front-end to the IETF database for people who work on IETF standards.
Free planOpen sourceGoogle Design Sprint Kit: Transform the way your team works.
Free planOpen sourceownCloud
Contact salesYour file platform — the most essential business tool for enterprise-grade file sync
Free planOpen sourceendoflife.date
FreeEnd-of-life dates and support lifecycles for various products.
Free planOpen sourceExpressionEngine
Contact salesThe world's most flexible & secure open source CMS.
Free planOpen sourceTiki
FreeOpen source no-code/low-code web application framework combining wiki, CMS and groupware
Free planOpen sourceSeafile
$8/moOpen source file sync and share software for teams and organizations.
Free planOpen sourceAdvanced, easy-to-use, and extensible wiki engine for collaboration on editable webpages
Open sourceWebExtension.ORG
FreeFree static web hosting and product pages for browser extensions and mobile apps
Free planOpen sourceBookStack
Contact salesSimple, self-hosted platform for organising and storing information
Free planOpen sourceDevDocs
FreeFast, offline, and free documentation browser for developers that combines 100+ API docs (
Free planOpen sourceOpen source publishing platforms for scholarly journals, monographs, and preprints
Open sourceFree, open source software for setting up and maintaining a secure whistleblowing platform
Open sourceOpen-source software for creating graphical point-and-click adventure games.
Free planOpen sourceOnyx
$20/moOpen-source AI chat and enterprise search platform that connects to company knowledge
Open sourceA wiki-based content-management system for collaborative creation and maintenance of sites
Open sourceMeet the Citadel System. Easy to install. Easy to use. 100% open source. No compromises.
Open sourceA website for sharing tutorials and descriptions of projects made with Arduino boards
Free planOpen sourceBlueSpice for MediaWiki
Contact salesEnterprise wiki software for teams and mid-sized companies
Free planOpen sourceShare sensitive information securely with self-destructing links that are only viewable
Open sourceMailing list manager core, web user interface, web archiver, and REST API bindings
Open sourceA free software source code management system supporting Mercurial and Git with a web use
Open sourceCommunity-run, open-source Q&A platform for building communities around peer-reviewed Q&A,
Open sourcewallabag
Contact salesSave web articles and read them later from your own archive.
Free planOpen sourceStalwart Mail Server
Contact salesOpen-source mail and collaboration server combining email, calendars, contacts and file in
Free planOpen sourceFlexible membership and subscription management PHP script for setting up paid-membership
Open sourceThe intelligent platform to centralize, automate, and secure your organization's knowledge
Open sourceMibew
Contact salesOpen-source live support application written in PHP and MySQL for one-on-one real-time web
Free planOpen sourceLibreGameWiki
FreeA free gaming encyclopedia covering games developed as open source with open media.
Free planOpen sourceCoppermine Photo Gallery
Contact salesA multi-purpose web gallery script using PHP and MySQL.
Free planOpen sourceSilverBullet
$2/moOpen source markdown knowledge management software that grows with you.
Free planOpen sourceEverything I Know Wiki
Contact salesA personal wiki collecting notes, links and resources on programming, technology and other
Free planOpen sourceMinimalist, open source online pastebin where the server has zero knowledge of stored
Open sourceCap
$2.42/moFree screen recorder and open source alternative to Loom for Mac, Windows and Linux
Free planOpen sourceHay's tools
Contact salesA list of tools made by Hay Kranen, focused on Wikimedia, Wikidata, and Wikipedia projec
Free planOpen sourceTagSpaces
FreeFree, open-source file organizer for Windows, macOS, Linux, and the web that works offline
Free planOpen sourceRead the Docs
$50/moDocumentation platform that builds and hosts from your Git repo
Free planOpen sourceFactGrid
FreeAn open collaborative database for research data, run by the Gotha Research Centre, the HJ
Free planOpen sourcedDocs
FreePrivacy-first, end-to-end encrypted document editor for real-time collaboration. Self-sove
Free planOpen sourceArguman
FreeArgument analysis platform for mapping premises, supports, and objections.
Free planOpen sourceChemotion
FreeAn open-source electronic laboratory notebook and data repository for chemistry research.
Free planOpen sourceDon't let your engineering brain rot in the age of AI
Free planOpen sourceArchivesSpace
Contact salesOpen-source archives information management application for managing and providing web/URL
Free planOpen sourceFaved
$4/moA bookmark manager that turns web pages into structured records with types, fields and AI
Open 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 sourceRun your own email service for yourself, your organization, or others as an all-in-one web
Open sourcePushword
Contact salesAn open-source CMS built on modern PHP with optional Rust acceleration and flat-file mode.
Free planOpen sourceOpen-source, lightweight data catalog that scans data sources and generates a structured,
Open 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 sourceQST
—Self-hosted, open source universal assessment platform for quizzes, exams, surveys and pro
Open 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 sourceMaterial design inspired recipe manager with category and tag management, shopping-lists.
Open 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 sourceElementary
Contact salesControl plane for data and AI reliability, combining observability, quality, governance,
Open sourceAnalysis 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 sourceMoltis
FreeA secure persistent personal agent server in Rust. One binary, sandboxed execution, multi‑
Free planOpen sourceTreeLine
FreeTree-structured information manager with fields forming a mini-database.
Free planOpen sourceFaveo Helpdesk
$7.20/moHelpdesk and Servicedesk software with ITSM, AI and RMM for support teams
Free planOpen sourceOpenSong
Contact salesFree, open-source application for managing lyrics, chords, lead sheets, overheads and live
Free planOpen sourceDoxyS
FreeA code documentation tool for C++/C that generates structured, navigable HTML pages from
Free planOpen sourceCATMA
FreeAnnotate, Analyze, Interpret and Visualize – Computer Assisted Text Markup and Analysis
Free planOpen sourceXiphos
FreeBible study application for GNOME, available for Linux, UNIX, and Windows
Free planOpen sourcePersonal portfolio of a web developer building JavaScript projects, retro tools and demosc
Open source
