Top 19 Scala Fs2 Projects

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1. Http4s

   1 24 2,620 9.6 Scala

   A minimal, idiomatic Scala interface for HTTP

   

2. SaaSHub

   www.saashub.com featured

   SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

   

3. skunk

   2 5 1,660 8.7 Scala

   A data access library for Scala + Postgres.

   

   Project mention: Encrypting PostgreSQL Columns in Scala with skunk-crypt | dev.to | 2026-06-08

   skunk-crypt takes a smaller, sharper angle: encryption is just another Skunk codec. You keep writing ordinary Skunk queries; you just swap text for crypt.text. Plain values in your application, AES-256-GCM ciphertext in the database, and the key never leaves your process.

4. trading

   3 14 662 0.0 Scala

   💱 Trading application written in Scala 3 that showcases an Event-Driven Architecture (EDA) and Functional Programming (FP)

   

5. pfps-shopping-cart

   4 35 550 0.0 Scala

   :shopping_cart: The Shopping Cart application developed in the book "Practical FP in Scala: A hands-on approach"

   

6. fs2-kafka

   5 3 312 7.9 Scala

   Functional Kafka Streams for Scala

   

7. parquet4s

   6 1 302 7.6 Scala

   Read and write Parquet in Scala. Use Scala classes as schema. No need to start a cluster.

   

8. Pulsar4s

   7 0 233 4.7 Scala

   Idiomatic, typesafe, and reactive Scala client for Apache Pulsar

   

9. pfps-examples

   8 1 196 0.0 Scala

   :izakaya_lantern: Standalone examples shown in the book "Practical FP in Scala: A hands-on approach"

   

10. todo-http4s-doobie

    9 3 186 6.9 Scala

    A sample project of a microservice using http4s, doobie, and circe.

    

11. fs2-data

    10 2 164 8.9 Scala

    streaming data parsing and transformation library

    

12. mongo4cats

    11 1 126 7.6 Scala

    MongoDB Java client wrapper for Cats Effect & FS2 and ZIO

    

13. laserdisc

    12 0 102 8.0 Scala

    A Future-free Fs2 native pure FP Redis client

    

14. fs2-es

    13 1 80 0.0 Scala

    Event sourcing utilities for FS2

    

15. xs4s

    14 1 61 0.0 Scala

    XML Streaming for Scala including FS2/cats support

    

16. pencil

    15 1 50 6.4 Scala

    Simple smtp client (by minosiants)

    

17. virgil

    16 0 40 6.8 Scala

    A purely functional Cassandra client built on top of the Datastax Java Driver supporting a variety of effect systems like ZIO & Cats-Effect supporting both Scala 2 & 3 (by kaizen-solutions)

    

18. batcher

    17 1 19 9.3 Scala

    Batch similar requests together transparently

    

19. neutron

    18 1 19 0.0 Scala

    :stars: Purely functional Apache Pulsar client for Scala built on top of Fs2 (by profunktor)

    

20. calev

    19 0 15 7.1 Scala

    Work with systemd.time like calendar events in Scala

    

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• A note from our sponsor - SaaSHub
  www.saashub.com | 12 Jul 2026

  SaaSHub helps you find the best software and product alternatives Learn more →

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