head to head · open source
etcd vs FreeSql
etcd has 52,270 GitHub stars, 10,506 forks, 351 open issues and last shipped yesterday. FreeSql has 4,404 stars, 910 forks, 178 open issues and last shipped 2 months ago. etcd leads on adoption by 1,087% (52,270 vs 4,404 stars). etcd is written in Go under Apache-2.0; FreeSql is written in C# under MIT. etcd has attracted 20% as many forks as stars, FreeSql 21%. etcd 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
| etcd | FreeSql | |
|---|---|---|
| GitHub stars | ★ 52K | ★ 4.4K |
| License | Apache-2.0 | MIT |
| Written in | Go | C# |
| Last push | 2026-09-18 | 2026-07-31 |
| Forks | ⑂ 11K | ⑂ 910 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick etcd if
- You weight community size — 52K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick FreeSql if
- You want the FreeSql feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C#
- You evaluated both and FreeSql fits your workflow better
About etcd
etcd is an Apache 2.0 licensed, Go written distributed key value store that holds the most critical data of a distributed system in a Raft replicated log, aimed at the platform and infrastructure engineers who must keep that control plane data consistent and available.
About FreeSql
FreeSql is an MIT licensed object relational mapper for .NET, written in C and usable from C and VB.NET, which its maintainers describe as the first AOT ORM, and it is aimed at .NET teams that want a single data access layer across many relational and analytical databases, including MySQL, PostgreSQL, SQL Server, Oracle, SQLite, Firebird, ClickHouse, DuckDB, TDengine, QuestDB, MsAccess and a group of Chinese domestic engines.
read the full FreeSql overview →
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Frequently asked questions
Is etcd or FreeSql more popular?
etcd has 52,270 GitHub stars and FreeSql has 4,404. etcd has the larger community by that measure.
Are etcd and FreeSql free?
Both are open source. etcd is licensed under Apache-2.0 and FreeSql under MIT. Neither carries a licence fee.
What is the difference between etcd and FreeSql?
etcd is written in Go and FreeSql 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, etcd or FreeSql?
Choose etcd if you want the larger community (52,270 stars) or its Apache-2.0 licence terms. Choose FreeSql if its feature set, stack or MIT licence fits better. Both are self-hostable.