eventstore — open-source software health

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90Excellenthealth index

Open-source (MIT) event sourcing database and processing runtime — Orleans-based kernel, pluggable storage (MongoDB, PostgreSQL, SQL Server, SQLite), and language-agnostic gRPC clients for .NET, TypeScript, Kotlin/Java, and Elixir (Python coming soon).

C#★ 59Sep 10, 2026

MITSep 10, 2026 · metrics 2.10.0

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87Excellenthealth index

Eventuous/eventuous

Event Sourcing library for .NET

C#★ 513Aug 28, 2026

Apache-2.0Aug 28, 2026 · metrics 2.10.0

Go · npm

77Goodhealth index

kurrent-io/KurrentDB-Client-Go

KurrentDB Go Client

Go★ 11Sep 20, 2026

Apache-2.0Sep 20, 2026 · metrics 2.10.0

NuGet · npm · PyPI

71Goodhealth index

Hexalith/Hexalith.EventStore

No repository description published.

C# · Python★ 0Sep 12, 2026

MITSep 12, 2026 · metrics 2.10.0

Hex

71Goodhealth index

commanded/commanded

Use Commanded to build Elixir CQRS/ES applications

Elixir★ 2,031↓ 48.6K/moSep 19, 2026

MITSep 19, 2026 · metrics 2.10.0

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71Goodhealth index

jet/equinox

.NET event sourcing library with CosmosDB, DynamoDB, EventStoreDB, message-db, SqlStreamStore and integration test backends. Focused at stream level; see https://github.com/jet/propulsion for cross-stream projections/subscriptions/reactions

F#★ 500Sep 22, 2026

Apache-2.0Sep 22, 2026 · metrics 2.10.0

PyPI

62Moderatehealth index

browser-use/bubus

📢 Production-ready python event bus library with support for async and sync handlers, forwarding betwen busses w/ parent event tracking + loop prevention, FIFO and concurrency options, and WAL persistence. Powers the browser-use library.

Python★ 122↓ 11.2M/moSep 17, 2026

MITSep 17, 2026 · metrics 2.10.0

NuGet

60Moderatehealth index