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Awesome Oss Alternatives
Awesome list of open-source startup alternatives to well-known SaaS products 🚀
RunaCapital/awesome-oss-alternatives
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RocketChat/Rocket.Chat
The Secure CommsOS™ for mission-critical operations
AI dev
GitHub topics
- Updated
- 2026-07-24
- Lists
- 4 list mentions
- First commit
- 2015-05-19
- License
- NOASSERTION
- Issues
- 3,907 open
45,871
stars
- Forks
- 13,741
- Commits
- 29,968 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
mattermost/mattermost
Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..
AI dev
Stack
GitHub topics
- Updated
- 2026-07-25
- Lists
- 6 list mentions
- First commit
- 2015-06-15
- License
- NOASSERTION
- Issues
- 949 open
38,549
stars
- Forks
- 8,855
- Commits
- 22,951 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
nextcloud/server
☁️ Nextcloud server, a safe home for all your data
AI dev
GitHub topics
- Updated
- 2026-07-25
- Lists
- 5 list mentions
- First commit
- 2010-03-10
- License
- AGPL-3.0
- Issues
- 3,529 open
36,248
stars
- Forks
- 5,081
- Commits
- 89,155 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
mattermost-community/focalboard
Focalboard is an open source, self-hosted alternative to Trello, Notion, and Asana.
Stack
GitHub topics
- Updated
- 2026-05-18
- Lists
- 6 list mentions
- First commit
- 2020-10-08
- License
- NOASSERTION
- Issues
- 783 open
26,318
stars
- Forks
- 2,566
- Commits
- 3,646 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
zulip/zulip
Zulip server and web application. Open-source team chat that helps teams stay productive and focused.
AI dev
- Updated
- 2026-07-29
- Lists
- 6 list mentions
- First commit
- 2012-08-28
- License
- Apache-2.0
- Issues
- 2,037 open
25,572
stars
- Forks
- 10,005
- Commits
- 71,377 commits
- Star growth, last 7 days
- No 7-day history
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Unleash/unleash
Open-source feature management platform
AI dev
- Updated
- 2026-07-24
- Lists
- 3 list mentions
- First commit
- 2014-09-29
- License
- AGPL-3.0
- Issues
- 61 open
13,690
stars
- Forks
- 877
- Commits
- 16,042 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history
tinode/chat
Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots
GitHub topics
- Updated
- 2026-07-05
- Lists
- 3 list mentions
- First commit
- 2015-10-22
- License
- GPL-3.0
- Issues
- 39 open
13,424
stars
- Forks
- 2,070
- Commits
- 4,195 commits
- Star growth, last 7 days
- No 7-day history
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- No 7-day history
infobyte/faraday
Open Source Vulnerability Management Platform
GitHub topics
- Updated
- 2026-07-24
- Lists
- 1 list mention
- First commit
- 2013-11-06
- License
- GPL-3.0
- Issues
- 23 open
6,670
stars
- Forks
- 1,066
- Commits
- 14,025 commits
- Star growth, last 7 days
- No 7-day history
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- No 7-day history
terminusdb/terminusdb
TerminusDB is a distributed, collaborative database designed for building, sharing, versioning, and reasoning on structured data.
GitHub topics
- Updated
- 2026-07-13
- Lists
- 1 list mention
- First commit
- 2019-05-29
- License
- Apache-2.0
- Issues
- 11 open
3,363
stars
- Forks
- 142
- Commits
- 5,756 commits
- Star growth, last 7 days
- No 7-day history
- Commit velocity, last 7 days
- No 7-day history