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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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6 repos matching these filters.

Package manager: dotnet
Latest repo push 2026-07-17

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mattermost-community/focalboard

Focalboard is an open source, self-hosted alternative to Trello, Notion, and Asana.

Stack
TypeScript gRPC Go React .NET SDK Go modules npm
GitHub topics
#asana #collaboration #goal-tracking #golang #hacktoberfest #kanban-board
Updated
2026-05-18
Lists
6 list mentions
First commit
2020-10-08
License
NOASSERTION
Issues
783 open
Sign in to like mattermost-community/focalboard
26,274
stars
Forks
2,557
Commits
3,646 commits
Star growth, last 7 days
No 7-day history
Commit velocity, last 7 days
No 7-day history
Website GitHub
highlight/highlight

highlight.io: The open source, full-stack monitoring platform. Error monitoring, session replay, logging, distributed tracing, and more.

AI dev
Stack
TypeScript Actix Web Angular Celery Django Bundler Cargo .NET SDK
GitHub topics
#apm #full-stack #golang #metrics #monitoring #observability
Updated
2026-04-16
Lists
2 list mentions
First commit
2020-08-20
License
NOASSERTION
Issues
555 open
Sign in to like highlight/highlight
9,331
stars
Forks
667
Commits
7,060 commits
Star growth, last 7 days
0 0.0%
Commit velocity, last 7 days
0 0.0%
Website GitHub
fonoster/fonoster

🚀 The open-source alternative to Twilio.

AI dev
Stack
TypeScript Express Next.js React Vite .NET SDK npm
GitHub topics
#cloud #cloud-communications-platform #cpaas #customer-engagement #customer-experience #javascript
Updated
2026-06-29
Lists
2 list mentions
First commit
2018-02-04
License
MIT
Issues
12 open
Sign in to like fonoster/fonoster
8,018
stars
Forks
532
Commits
6,136 commits
Star growth, last 7 days
No 7-day history
Commit velocity, last 7 days
No 7-day history
Website GitHub
featbit/featbit

Enterprise-grade feature flag platform that you can self-host. Get started - free.

Stack
C# Angular ASP.NET Core Entity Framework Flask .NET SDK npm pip
GitHub topics
#ab-test #ab-testing #asp-net-core #continuous-delivery #csharp #dotnet
Updated
2026-07-07
Lists
2 list mentions
First commit
2022-08-28
License
MIT
Issues
23 open
Sign in to like featbit/featbit
1,851
stars
Forks
142
Commits
1,112 commits
Star growth, last 7 days
No 7-day history
Commit velocity, last 7 days
No 7-day history
Website GitHub