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softwaremill

19 indexed repositories · View on GitHub

elasticmq
In-memory message queue with an Amazon SQS-compatible interface. Runs stand-alone or embedded.

Scala · 2935 stars
sttp
The Scala HTTP client you always wanted!

Scala · 1506 stars
tapir
Rapid development of self-documenting APIs

Scala · 1474 stars
macwire
Zero-cost, compile-time, type-safe dependency injection library.

Scala · 1315 stars
quicklens
Modify deeply nested case class fields

Scala · 852 stars
magnolia
Easy, fast, transparent generic derivation of typeclass instances

Scala · 802 stars
bootzooka
Template project to quickly start developing a Scala-based microservice or web application, with the build & project structure provided

TypeScript · 786 stars
ox
Safe direct-style streaming, concurrency and resiliency for Scala on the JVM

Scala · 522 stars
jox
Virtual-thread based safe concurrency & streaming

Java · 423 stars
chimp
Build type-safe, boilerplate-less MCP servers and clients in Scala

Scala · 102 stars
sttp-ai
Scala toolkit for working with third-party LLMs (OpenAI, Claude, and compatible). Define agents, call provider APIs, use MCPs, ensure cor...

Scala · 101 stars
sbt-softwaremill
A sane set of default build settings

Scala · 72 stars
livestub
The HTTP server stub you always wanted!

Scala · 56 stars
sttp-model
Simple Scala HTTP model

Scala · 45 stars
klag-exporter
Apache Kafka ™ Consumer Lag Exporter for OTEL and Prometheus

Rust · 33 stars
adopt-tapir
A quickstart generator for Tapir projects

Scala · 19 stars
okapi
Reliable message delivery using the transactional outbox pattern for Kotlin

Kotlin · 14 stars
scalatimes

Pug · 6 stars
joinus-devops-service

Scala · 0 stars

Beginner friendly Everything

Open All

Security logic result is unavailable to prompts and resources forcing a second header read Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 55/100

softwaremill/chimp#263 · Opened Sep 15, 2026
Support Java 25 without warnings Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

softwaremill/magnolia#671 · Opened Sep 11, 2026
Support Java 25 without warnings Open

Difficulty 3/5 1-2 days Newbie friendliness 58/100

softwaremill/sttp#2992 · 4 comments · Opened Sep 11, 2026
T17 - client subscriptions/listen Open

2026-07-28 version support

Difficulty 5/5 Over a week Newbie friendliness 35/100

softwaremill/chimp#255 · Opened Sep 6, 2026
T16 - server notification publisher and subscriptions/listen Open

2026-07-28 version support

Difficulty 5/5 Over a week Newbie friendliness 42/100

softwaremill/chimp#254 · Opened Sep 6, 2026
T15 - client MRTR (multi round trip request) retry loop Open

2026-07-28 version support

Difficulty 5/5 Over a week Newbie friendliness 45/100

softwaremill/chimp#253 · Opened Sep 6, 2026
T14 - server MRTR (multi round trip requests) handling Open

2026-07-28 version support

Difficulty 5/5 Over a week Newbie friendliness 42/100

softwaremill/chimp#252 · Opened Sep 6, 2026
T13 - server new headers validation and x-mcp-header in the tool DSL Open

2026-07-28 version support

Difficulty 5/5 Over a week Newbie friendliness 35/100

softwaremill/chimp#251 · Opened Sep 6, 2026
T12 - client HTTP request headers Open

2026-07-28 version support

Difficulty 4/5 3-5 days Newbie friendliness 65/100

softwaremill/chimp#250 · Opened Sep 6, 2026
T11 - client automatic era detection Open

2026-07-28 version support

Difficulty 5/5 Over a week Newbie friendliness 38/100

softwaremill/chimp#249 · Opened Sep 6, 2026
T10 - client stateless lifecycle Open

2026-07-28 version support

Difficulty 5/5 Over a week Newbie friendliness 42/100

softwaremill/chimp#248 · Opened Sep 6, 2026
T9 - configurable cache hints Open

2026-07-28 version support

Difficulty 3/5 1-2 days Newbie friendliness 55/100

softwaremill/chimp#247 · Opened Sep 6, 2026
T8 - serve 2026-07-28 requests next to legacy requests Open

2026-07-28 version support

Difficulty 5/5 Over a week Newbie friendliness 45/100

softwaremill/chimp#246 · Opened Sep 6, 2026
T7 - update types present in both schema versions Open

2026-07-28 version support

Difficulty 4/5 3-5 days Newbie friendliness 52/100

softwaremill/chimp#245 · Opened Sep 6, 2026
T6 - subscription types Open

2026-07-28 version support

Difficulty 3/5 1-2 days Newbie friendliness 68/100

softwaremill/chimp#244 · Opened Sep 6, 2026
T5 - MRTR (multi round trip requests) types Open

2026-07-28 version support

Difficulty 4/5 3-5 days Newbie friendliness 55/100

softwaremill/chimp#243 · Opened Sep 6, 2026
T4 - add request metadata, result type, cache hints, error codes, discover schemas types Open

2026-07-28 version support

Difficulty 5/5 Over a week Newbie friendliness 30/100

softwaremill/chimp#242 · Opened Sep 6, 2026
T3 - conformance tests infrastructure for two revisions Open

2026-07-28 version support

Difficulty 4/5 3-5 days Newbie friendliness 55/100

softwaremill/chimp#241 · Opened Sep 6, 2026
T2 - add 2026-07-28 schema and run the core schema tests per version Open

2026-07-28 version support

Difficulty 3/5 1-2 days Newbie friendliness 72/100

softwaremill/chimp#240 · Opened Sep 6, 2026
T1 - protocol version enum and ordering Open

2026-07-28 version support

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

softwaremill/chimp#239 · Opened Sep 6, 2026
Security logic result is unavailable to tools forcing a second header read Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 42/100

softwaremill/chimp#237 · 1 comment · Opened Sep 1, 2026
Netty server never responds to requests with Expect: 100-continue Open

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

softwaremill/tapir#5503 · Opened Sep 1, 2026
[Feature Request] codegen: add support for suffixed content types Open

Difficulty 3/5 1-2 days Newbie friendliness 67/100

softwaremill/tapir#5494 · Opened Aug 26, 2026
[Feature Request] codegen: do not wrap types in Option if a default is present Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

softwaremill/tapir#5492 · Opened Aug 25, 2026
Consider batched message-mode timestamp sampling Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

softwaremill/klag-exporter#105 · 1 comment · Opened Aug 24, 2026
Message-mode watermarks ignore the consumer's `isolation.level`, so `read_committed` users fetch offsets that can never be read Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

softwaremill/klag-exporter#104 · Opened Aug 24, 2026
Message mode: consider a conservative `fetch.message.max.bytes` default Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

softwaremill/klag-exporter#103 · Opened Aug 24, 2026
[Feature Request] codegen: add support for default values in parameters Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

softwaremill/tapir#5490 · Opened Aug 24, 2026
Consider making client notification a stream Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 45/100

softwaremill/chimp#222 · Opened Aug 18, 2026
Remove fs2 interop with reactive-streams Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

softwaremill/sttp#2963 · 2 comments · 2 reactions · Opened Aug 10, 2026
[BUG] vert.x streaming endpoints hang whole application when VertxCatsServerInterpreter is used with ZIO Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

softwaremill/tapir#5458 · Opened Aug 9, 2026
HTTP streaming + SSE integration Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

softwaremill/jox#348 · Opened Aug 4, 2026
Opentelemetry integration Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

softwaremill/jox#347 · Opened Aug 4, 2026
Streaming CSV - new flow Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

softwaremill/jox#346 · Opened Aug 4, 2026
Byte flow codecs: gzip/gunzip, deflate, inflate, base64, digest, encode/decode string w/ charset Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

softwaremill/jox#345 · Opened Aug 4, 2026
Okapi Quarkus support Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

softwaremill/okapi#100 · Opened Jul 31, 2026
codegen: underscores break schema names Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

softwaremill/tapir#5415 · Opened Jul 14, 2026
codegen: add presets Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

softwaremill/tapir#5402 · Opened Jul 10, 2026
Adopt capture checking: capture-aware fork/Flow signatures, tracked Ox capability Open

Difficulty 5/5 Over a week Newbie friendliness 45/100

softwaremill/ox#469 · Opened Jul 8, 2026
Expose librdkafka consumer config for message mode Open

Difficulty 4/5 3-5 days Newbie friendliness 58/100

softwaremill/klag-exporter#92 · Opened Jul 5, 2026
Deadletter redrive fails on the -native graalvm docker image Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

softwaremill/elasticmq#1225 · 3 comments · Opened Jun 16, 2026
Hardcoded IO in generated code Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

softwaremill/tapir#5285 · 22 comments · Opened Jun 9, 2026
Aggregate group's `*_max_lag_seconds` metric by topic Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

softwaremill/klag-exporter#86 · Opened Jun 7, 2026
Plan implementation work for `2026-07-28` version Open

tier:2 SDK

softwaremill/chimp#163 · 2 reactions · 1 assignee · Opened Jun 5, 2026
Support per-group/per-topic modes and override options Open

Difficulty 5/5 Over a week Newbie friendliness 42/100

softwaremill/klag-exporter#82 · Opened May 26, 2026
Static binary Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

softwaremill/klag-exporter#81 · Opened May 22, 2026
Create roadmap document Open

tier:2 SDK

Difficulty 4/5 3-5 days Newbie friendliness 48/100

softwaremill/chimp#146 · Opened May 14, 2026
Create dependency policy document Open

tier:2 SDK

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

softwaremill/chimp#145 · Opened May 14, 2026
Improve server implementation conformance Open

tier:2 SDK

Difficulty 5/5 Over a week Newbie friendliness 30/100

softwaremill/chimp#144 · Opened May 14, 2026
Improve client implementation conformance Open

tier:2 SDK

Difficulty 4/5 3-5 days Newbie friendliness 45/100

softwaremill/chimp#143 · Opened May 14, 2026

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