Top 11 Open-Source Alternatives to Semaphor

Product categories

Chat Communication Group Chat & Notifications Instant Messaging Messaging Note Taking Productivity Project Management Task Management Text Messaging Web And Application Servers Work Management

Summary

The top open-source alternatives to Semaphor are Trello, ejabberd SaaS, and Prosody. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Trello Landing Page
1

Trello

Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Pricing:
- Freemium
- Free Trial
- $12.5 / Monthly (Per user - Business Class)
#Project Management #Task Management #Productivity 231 social mentions
ejabberd SaaS Landing Page
2

ejabberd SaaS

Realtime XMPP and MQTT Software and Infrastructure as a Service.
Pricing:
- Open Source
#Group Chat & Notifications #Communication #Chat
Prosody Landing Page
3

Prosody

Prosody is a modern flexible communications server for Jabber/XMPP written in Lua.
Pricing:
- Open Source
#Group Chat & Notifications #Communication #Chat 15 social mentions
Matrix.org Landing Page
4

Matrix.org

Matrix is an open standard for decentralized persistent communication over IP.
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Instant Messaging 582 social mentions
ejabberd Landing Page
5

ejabberd

ejabberd is a robust, massively scalable and extensible XMPP server.
Pricing:
- Open Source
#Group Chat & Notifications #Web And Application Servers #Communication 2 social mentions
Rocket.Chat Landing Page
6

Rocket.Chat

Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework.
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Chat 65 social mentions
Element.io Landing Page
7

Element.io

Secure messaging app with strong end-to-end encryption, advanced group chat privacy settings, secure video calls for teams, encrypted communication using Matrix open network. Riot.im is now Element.
Pricing:
- Open Source
- Free
#Group Chat & Notifications #Communication #Chat 1 social mentions
Discord Landing Page
8

Discord

Step up your game with a modern voice & text chat app. Crystal clear voice, multiple server and channel support, mobile apps, and more.
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Messaging 122 social mentions
Basecamp Landing Page
9

Basecamp

A simple and elegant project management system.
Pricing:
- Paid
- Free Trial
- $99.0 / Monthly (flat price)
#Project Management #Productivity #Task Management 37 social mentions
Wire Landing Page
10

Wire

Private & Secure Messenger
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Messaging 14 social mentions
Org mode Landing Page
11

Org mode

Org: an Emacs Mode for Notes, Planning, and Authoring
Pricing:
- Open Source
#Task Management #Project Management #Note Taking 174 social mentions