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Open Source Alternatives

List of open-source alternatives to everyday SaaS products.

btw-so/open-source-alternatives
Open GitHub
List stars
8,583
README repos
146
Indexed repos
145
List commits
59
Forks
362
Open issues
45

Tracked list growth

GitHub stars and default-branch commits for btw-so/open-source-alternatives.

Latest scan 2026-07-17 10:49

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5 repos matching these filters.

Topic: foss
Latest repo push 2026-07-17

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RocketChat/Rocket.Chat

The Secure CommsOS™ for mission-critical operations

AI dev
Stack
TypeScript Express React Vite Bun npm Yarn
GitHub topics
#chat #collaboration #foss #free #hacktoberfest #javascript
Updated
2026-07-07
Lists
4 list mentions
First commit
2015-05-19
License
NOASSERTION
Issues
3,846 open
Sign in to like RocketChat/Rocket.Chat
45,762
stars
Forks
13,717
Commits
29,789 commits
Star growth, last 7 days
No 7-day history
Commit velocity, last 7 days
No 7-day history
Website GitHub
zulip/zulip

Zulip server and web application. Open-source team chat that helps teams stay productive and focused.

AI dev
Stack
Python Astro Django Scrapy Tornado npm pnpm uv
GitHub topics
#apache #chat #collaboration #electron #foss #free
Updated
2026-07-10
Lists
6 list mentions
First commit
2012-08-28
License
Apache-2.0
Issues
2,024 open
Sign in to like zulip/zulip
25,473
stars
Forks
9,940
Commits
71,211 commits
Star growth, last 7 days
0 0.0%
Commit velocity, last 7 days
0 0.0%
Website GitHub
wekan/wekan

The Open Source kanban, built with Meteor. GitHub issues/PRs are only for FLOSS Developers, not for support, support is at https://wekan.fi/commercial-support/ . New English strings for new features at imports/i18n/data/en.i18n.json . Non-English translations at https://app.transifex.com/wekan/wekan only.

Stack
JavaScript npm
GitHub topics
#docker-image #foss #javascript #kanban #meteor #real-time
Updated
2026-06-27
Lists
3 list mentions
First commit
2015-05-12
License
MIT
Issues
467 open
Sign in to like wekan/wekan
20,976
stars
Forks
2,985
Commits
14,910 commits
Star growth, last 7 days
No 7-day history
Commit velocity, last 7 days
No 7-day history
Website GitHub
streetwriters/notesnook

A fully open source & end-to-end encrypted note taking alternative to Evernote.

Stack
TypeScript Android Electron React React Native Bundler CocoaPods Gradle
GitHub topics
#asp-net-core #dotnet-core #electron #foss #hacktoberfest #note-managment
Updated
2026-07-06
Lists
3 list mentions
First commit
2019-11-14
License
GPL-3.0
Issues
948 open
Sign in to like streetwriters/notesnook
14,235
stars
Forks
969
Commits
15,395 commits
Star growth, last 7 days
No 7-day history
Commit velocity, last 7 days
No 7-day history
Website GitHub