head to head · open source
realtime vs Seal-Report
realtime has 7,675 GitHub stars, 479 forks, 78 open issues and last shipped yesterday. Seal-Report has 1,642 stars, 508 forks, 21 open issues and last shipped 2 days ago. realtime leads on adoption by 367% (7,675 vs 1,642 stars). realtime is written in Elixir under Apache-2.0; Seal-Report is written in C# under MIT. realtime has attracted 6% as many forks as stars, Seal-Report 31%. realtime was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| realtime | Seal-Report | |
|---|---|---|
| GitHub stars | ★ 7.7K | ★ 1.6K |
| License | Apache-2.0 | MIT |
| Written in | Elixir | C# |
| Last push | 2026-11-04 | 2026-11-03 |
| Forks | ⑂ 479 | ⑂ 508 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick realtime if
- You weight community size — 7.7K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Elixir
- You value the larger contributor base for long-term maintenance
pick Seal-Report if
- You want the Seal-Report feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C#
- You evaluated both and Seal-Report fits your workflow better
About realtime
Supabase Realtime Send ephemeral messages, track and synchronize shared state, and listen to Postgres changes all over WebSockets. Examples · Request Features · Report Bugs Status This repository focuses on version 2 but you can still access the previous version's code and Docker image. For the latest Docker images go to The codebase is under heavy development and the documentation is constantly evolving. Give it a try and let us know what you think by creating an issue. Watch releases of this repo to get notified of updates. And give us a star if you like it! Overview What is this? This is a server built with…
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About Seal-Report
Seal Report & Task Seal Report & Task is a complete open source framework for producing reports from any database or NoSQL source, and for performing complex tasks (ETL, batch). Entirely written in C for Microsoft .NET, and free for everyone under the MIT License . The product focuses on easy installation and report design : once set up, reports can be built and published in a minute. Web site & quick start guides : sealreport.org Live demo of the Web Report Server: sealreport.org/demo Free support & community : GitHub Discussions Main Features Dynamic SQL sources : Use your own SQL, or let the Seal engine build…
read the full Seal-Report overview →
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Frequently asked questions
Is realtime or Seal-Report more popular?
realtime has 7,675 GitHub stars and Seal-Report has 1,642. realtime has the larger community by that measure.
Are realtime and Seal-Report free?
Both are open source. realtime is licensed under Apache-2.0 and Seal-Report under MIT. Neither carries a licence fee.
What is the difference between realtime and Seal-Report?
realtime is written in Elixir and Seal-Report in C#. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, realtime or Seal-Report?
Choose realtime if you want the larger community (7,675 stars) or its Apache-2.0 licence terms. Choose Seal-Report if its feature set, stack or MIT licence fits better. Both are self-hostable.