ALL TOOLS
293 curated software tools across 21 categories. No marketing hype. Just the facts.
GitLab
OPEN SRCAI-powered DevSecOps for faster, secure software delivery
Grimoire
OPEN SRCBookmark manager with a modern UI, automatic content & metadata extraction, categorization, filtering, and more. It has fully documented REST API, and Docker image for easy deployment
GlobaLeaks
OPEN SRCWhistleblowing software enabling anyone to easily set up and maintain a secure reporting platform
Chitchatter
OPEN SRCPeer-to-peer chat app that is serverless, decentralized, and ephemeral
Centrifugo
OPEN SRCLanguage-agnostic real-time messaging (Websocket or SockJS) server.
Baïkal
OPEN SRCLightweight CalDAV and CardDAV server based on sabre/dav
Element
OPEN SRCFully-featured Matrix client for Web, iOS & Android
linkding
OPEN SRCMinimal bookmark management with a fast and clean UI. Simple installation through Docker and can run on your Raspberry Pi
Firefox Account Server
OPEN SRCSelf-hosted authentication for syncing Firefox data across devices
Conduit
OPEN SRCA simple, fast, and reliable chat server powered by Matrix
AnyCable
OPEN SRCRealtime server for reliable two-way communication over WebSockets, Server-sent events, etc
Digibunch
OPEN SRCCreate bunches of links to share with your learners or colleagues
GNUnet
OPEN SRCSoftware framework for decentralized, peer-to-peer networking
Radicale
OPEN SRCSimple calendar and contact server with extremely low administrative overhead
SyncMarks
OPEN SRCSync and manage your browser bookmarks from Edge, Firefox and Chromium. ([Clients](https://codeberg.org/Offerel/SyncMarks-Extension))
Readeck
OPEN SRCSave the precious readable content of web pages you like and want to keep forever. See it as a bookmark manager and a read later tool
Karakeep
OPEN SRCBookmark-everything app with a touch of AI for the data hoarders out there
Seatsurfing
OPEN SRCWebbased app to book seats, desks and rooms for offices
DAViCal
OPEN SRCServer for calendar sharing (CalDAV) that uses a PostgreSQL database as a data store
LinkWarden
OPEN SRCBookmark and archive manager to store your useful links
LinkAce
OPEN SRCBookmark archive with automatic backups to the Internet Archive, link monitoring, and a full REST API. Installation is done via Docker, or as a simple PHP application
LibreBooking
OPEN SRCResource scheduling solution offering a flexible, mobile-friendly, and extensible interface for organizations to manage resource reservations
Easy!Appointments
OPEN SRCAllows your customers to book appointments with you via the web
Alf.io
OPEN SRCStreamline event ticketing with open-source sales and check-in tools
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HOW WE REVIEW SOFTWARE
Every tool in the VentureGaps directory is evaluated through comprehensive research, verified user feedback, and data-driven analysis. We assess pricing transparency, feature depth, user satisfaction, and integration capabilities. Our ratings reflect real-world usage patterns and publicly available data — not paid placements. The directory is continuously updated to reflect the latest changes in pricing, features, and market positioning.
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