VG
VENTUREGAPS

ALL TOOLS

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

M

Mail-in-a-Box

OPEN SRC

Turns any Ubuntu server into a fully functional mail server with one command

ADEQUATE
M

Mailcow

OPEN SRC

Mail server suite based on Dovecot, Postfix and other open source software, that provides a modern Web UI for administration

APPROVED
D

DebOps

OPEN SRC

Your Debian-based data center in a box. A set of general-purpose Ansible roles that can be used to manage Debian or Ubuntu hosts

ADEQUATE
A

AnonAddy

OPEN SRC

Create email aliases to protect your real address.

ADEQUATE
I

Inboxen

OPEN SRC

Lets you have an infinite number of unique inboxes

ADEQUATE
S

SimpleLogin

OPEN SRC

Open source email alias solution to protect your email address. Comes with browser extensions and mobile apps

APPROVED
I

iRedMail

OPEN SRC

Full-featured mail server solution based on Postfix and Dovecot

ADEQUATE
T

Tox

OPEN SRC

Distributed, secure messenger with audio and video chat capabilities

ADEQUATE
S

Synapse

OPEN SRC

Server for [Matrix](https://matrix.org/), an open standard for decentralized persistent communication

ADEQUATE
S

Spectrum 2

OPEN SRC

Spectrum 2 is an open source instant messaging transport. It allows users to chat together even when they are using different IM networks.

ADEQUATE
S

Screego

OPEN SRC

Screego is a simple tool to quickly share your screen to one or multiple people via web browser

ADEQUATE
T

Tuwunel

OPEN SRC

High-performance and feature-rich chat server for Matrix, and the successor to conduwuit (fork of Conduit)

ADEQUATE
O

OTS

OPEN SRC

One-Time-Secret sharing platform with a symmetric 256bit AES encryption in the browser

ADEQUATE
O

One Time Secret

OPEN SRC

Share sensitive information securely with self-destructing links that are only viewable once

ADEQUATE
H

Hyphanet

OPEN SRC

Anonymously share files, browse and publish _freesites_ (web sites accessible only through Hyphanet) and chat on forums

ADEQUATE
G

Gotify

OPEN SRC

Notification server with Android and CLI clients (alternative to PushBullet)

ADEQUATE
N

ntfy

OPEN SRC

Push notifications to phone or desktop using HTTP PUT/POST, with Android app, CLI and web app, similar to Pushover and Gotify.

ADEQUATE
R

RetroShare

OPEN SRC

Secured and decentralized communication system. Offers decentralized chat, forums, messaging, file transfer.

ADEQUATE
T

Tailchat

OPEN SRC

Next generation noIM application in your own workspace, not only another Slack/Discord/rocket.chat.

ADEQUATE
M

Mumble

OPEN SRC

Low-latency, high quality voice/text chat software.

ADEQUATE
L

Live Helper Chat

OPEN SRC

Live chat software to engage visitors and convert them into customers

ADEQUATE
S

Stoat

OPEN SRC

Stoat is a user-first chat platform built with modern web technologies.

ADEQUATE
R

Rocket.Chat

OPEN SRC

Communications platform that puts data protection first (alternative to Gitter.im and Slack).

APPROVED
J

Jami

OPEN SRC

Universal communication platform which preserves the user's privacy and freedoms.

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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