VG
VENTUREGAPS

ALL TOOLS

293 curated software tools across 21 categories. No marketing hype. Just the facts.

G

GitLab

OPEN SRC

AI-powered DevSecOps for faster, secure software delivery

APPROVED
G

Grimoire

OPEN SRC

Bookmark 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

ADEQUATE
G

GlobaLeaks

OPEN SRC

Whistleblowing software enabling anyone to easily set up and maintain a secure reporting platform

ADEQUATE
C

Chitchatter

OPEN SRC

Peer-to-peer chat app that is serverless, decentralized, and ephemeral

ADEQUATE
C

Centrifugo

OPEN SRC

Language-agnostic real-time messaging (Websocket or SockJS) server.

APPROVED
B

Baïkal

OPEN SRC

Lightweight CalDAV and CardDAV server based on sabre/dav

ADEQUATE
E

Element

OPEN SRC

Fully-featured Matrix client for Web, iOS & Android

APPROVED
L

linkding

OPEN SRC

Minimal bookmark management with a fast and clean UI. Simple installation through Docker and can run on your Raspberry Pi

ADEQUATE
F

Firefox Account Server

OPEN SRC

Self-hosted authentication for syncing Firefox data across devices

ADEQUATE
C

Conduit

OPEN SRC

A simple, fast, and reliable chat server powered by Matrix

ADEQUATE
A

AnyCable

OPEN SRC

Realtime server for reliable two-way communication over WebSockets, Server-sent events, etc

ADEQUATE
D

Digibunch

OPEN SRC

Create bunches of links to share with your learners or colleagues

ADEQUATE
G

GNUnet

OPEN SRC

Software framework for decentralized, peer-to-peer networking

ADEQUATE
R

Radicale

OPEN SRC

Simple calendar and contact server with extremely low administrative overhead

ADEQUATE
S

SyncMarks

OPEN SRC

Sync and manage your browser bookmarks from Edge, Firefox and Chromium. ([Clients](https://codeberg.org/Offerel/SyncMarks-Extension))

ADEQUATE
R

Readeck

OPEN SRC

Save 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

ADEQUATE
K

Karakeep

OPEN SRC

Bookmark-everything app with a touch of AI for the data hoarders out there

ADEQUATE
S

Seatsurfing

OPEN SRC

Webbased app to book seats, desks and rooms for offices

ADEQUATE
D

DAViCal

OPEN SRC

Server for calendar sharing (CalDAV) that uses a PostgreSQL database as a data store

ADEQUATE
L

LinkWarden

OPEN SRC

Bookmark and archive manager to store your useful links

ADEQUATE
L

LinkAce

OPEN SRC

Bookmark 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

ADEQUATE
L

LibreBooking

OPEN SRC

Resource scheduling solution offering a flexible, mobile-friendly, and extensible interface for organizations to manage resource reservations

ADEQUATE
E

Easy!Appointments

OPEN SRC

Allows your customers to book appointments with you via the web

ADEQUATE
A

Alf.io

OPEN SRC

Streamline event ticketing with open-source sales and check-in tools

ADEQUATE

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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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