Reor

AI‑enhanced local note‑taking with automatic linking and semantic search

Requestly

Local-first API client, interceptor, and mocking platform.

Restfox

Offline-First HTTP & Socket Testing Client for Web & Desktop

Restreamer

Self-hosted live-stream hub with multi-platform restreaming and easy Docker deployment

RethinkDB

Scalable NoSQL database delivering real-time query updates

reviewdog

Automated lint feedback directly in pull‑request reviews.

RisingWave

Real-time streaming platform with native Iceberg lakehouse support

RobustMQ

High-performance multi-protocol messaging platform for cloud-native AI workloads

Rocket.Chat

Secure, customizable communication platform for teams and customers

Rollout

Redis-backed feature flags for Ruby with granular rollout control

Roo Code

AI-powered dev team inside your editor, boosting productivity.

Rowy

Spreadsheet UI for Firestore with low-code cloud automation

Rudder

Automate infrastructure security and compliance across diverse environments

RudderStack

Build real‑time, privacy‑first customer data pipelines with RudderStack.

RustFS

High-performance Rust-based distributed object storage with S3 compatibility

Rybbit

Privacy‑first web analytics that’s intuitive and self‑hostable

Ryot

Self-hosted tracker for media, fitness, and life activities

SafeLine

Self‑hosted WAF that shields web apps from attacks

Sakai

Feature‑rich LMS for collaborative learning and research

Saleor

Scalable GraphQL-native headless commerce API for any stack

Salt

Fast, scalable, event-driven automation for modern IT infrastructure

Saltcorn

Build web and mobile database apps without code

Say

Browser‑based AI transcription app turning speech into editable notes

Scalar

Instant, offline‑first OpenAPI client with modern interactive docs