* [LocalAI v4.0.0](https://github.com/mudler/LocalAI) – Self-hosted alternative to popular AI APIs for local inferencing on consumer-grade hardware.

* [Strapi v5.40.0](https://github.com/strapi/strapi) – Leading headless CMS for managing content in a flexible and customizable way.

* [Nestia v11.0.0](https://github.com/samchon/nestia) – Helper libraries for NestJS providing fast decorators, advanced WebSocket routes, SDK generation, mock simulators, and automatic E2E test functions.

* [tRPC v11.12.0](https://github.com/trpc/trpc) – Build and consume fully typesafe APIs without schemas or code generation.

* [Directus v11.16.0](https://github.com/directus/directus) – Real-time API and app dashboard for managing SQL database content.

* [kin-openapi v0.134.0](https://github.com/getkin/kin-openapi) – OpenAPI v2 and v3 implementation for Go with parsing, conversion, and validation.

* [Encore v1.56.0](https://github.com/encoredev/encore) – Backend development toolkit for building scalable applications with type-safe distributed systems.

* [Godo v1.177.0](https://github.com/digitalocean/godo) – Go client library for the DigitalOcean V2 API.

* [OverFast API v4.0.0](https://github.com/TeKrop/overfast-api) – Unofficial Overwatch API exposing heroes, game modes, maps, and player career statistics scraped from Blizzard pages.

* [Enveloppe 7.8.0](https://github.com/Enveloppe/obsidian-enveloppe) – Obsidian plugin to publish notes to a GitHub repository with customizable templates and link conversion.

* [iii v0.8.0](https://github.com/iii-hq/iii) – Unifies backend tools into a single engine with two primitives: Function and Trigger.

* [Vulcain v1.4.0](https://github.com/dunglas/vulcain) – Protocol and gateway that uses HTTP/2 Server Push and 103 Early Hints to enable client-driven REST APIs.

* [YNAB API Ruby Library 5.0.0](https://github.com/ynab/ynab-sdk-ruby) – Ruby client for interacting with the YNAB API.

* [YNAB API JavaScript Library v4.0.0](https://github.com/ynab/ynab-sdk-js) – JavaScript client library for accessing the YNAB budgeting API.

* [express-rate-limit v8.3.0](https://github.com/express-rate-limit/express-rate-limit) – Middleware for limiting repeated requests to public APIs and endpoints.

* [GitHubTree 0.3.0](https://github.com/mgks/GitHubTree) – High-performance repository visualizer that explores and generates ASCII directory trees for GitHub repositories without cloning.

* [CCXT v4.5.44](https://github.com/ccxt/ccxt) – Library for connecting and trading with cryptocurrency exchanges and payment services worldwide.

* [Hyperterse v2.3.0](https://github.com/hyperterse/hyperterse) – Declarative MCP framework that compiles tool configs into callable tools with pluggable adapters, scripting hooks, and a Streamable HTTP runtime.

* [Crowdin JavaScript client 1.53.0](https://github.com/crowdin/crowdin-api-client-js) – Lightweight interface for the Crowdin API compatible with any JavaScript environment.

* [HelixML 2.9.0](https://github.com/helixml/helix) – Private GenAI stack for deploying AI agents with support for RAG, API calls, vision, and efficient GPU scheduling.

* [60s API v2 v2.49.4](https://github.com/vikiboss/60s) – Collection of high-quality, reliable APIs with global CDN acceleration.

* [go-swagger v0.33.2](https://github.com/go-swagger/go-swagger) – Golang implementation of Swagger 2.0 with tools for working with API specifications.

* [gorest v1.12.0](https://github.com/pilinux/gorest) – Starter kit for rapid prototyping and developing a RESTful API using Golang and the Gin framework.

* [Aniwatch API v2.19.0](https://github.com/ghoshRitesh12/aniwatch-api) – RESTful API scraping and serving anime metadata, episode lists, and streaming links from an anime streaming site.

* [Rush Stack @rushstack/heft-stor...](https://github.com/microsoft/rushstack) – Monorepo for developing reusable tooling for large scale TypeScript projects.

* [API Platform - Demo v4.3.0](https://github.com/api-platform/demo) – Demonstration application showcasing features and usage of the API Platform framework.

* [Substack API 3.2.0](https://github.com/jakub-k-slys/substack-api) – Type-safe TypeScript client offering an entity-based interface to interact with Substack publications, posts, comments, and user profiles.

* [Google AI Studio to API Adapter v1.1.0](https://github.com/iBUHub/AIStudioToAPI) – Wrapper exposing Google AI Studio as OpenAI- and Gemini-compatible APIs.

* [NpgsqlRest v3.11.0](https://github.com/NpgsqlRest/NpgsqlRest) – Turns a PostgreSQL database into a production-ready REST API server with TypeScript code generation and end-to-end type safety.

* [PrinceJS v2.1.0](https://github.com/MatthewTheCoder1218/princejs) – Ultra-clean, minimal Bun web framework with middleware, validation, WebSocket, OpenAPI docs, type-safe client, and SQLite support.

* [cascadeflow v1.1.0](https://github.com/lemony-ai/cascadeflow) – Model-cascading framework that routes queries to cheaper or faster models and escalates to flagship models when needed to reduce cost and latency.

* [UltraContext v1.3.0](https://github.com/ultracontext/ultracontext) – Realtime context infrastructure capturing and sharing AI agents' session state across tools and environments.

* [OpenIntegrations 1.33.0](https://github.com/Bayselonarrend/OpenIntegrations) – Integration tools for popular services and technologies for 1C:Enterprise, OneScript, and CLI.

* [Mercure v0.21.11](https://github.com/dunglas/mercure) – Protocol for pushing data updates to web browsers and HTTP clients efficiently.

* [Graphiti v1.10.2](https://github.com/graphiti-api/graphiti) – Stylish API framework for building GraphQL and JSON:API services.

* [oRPC v1.13.8](https://github.com/middleapi/orpc) – End-to-end type-safe RPC framework with built-in OpenAPI, schema support, observability, and multi-runtime integrations.

* [Speakeasy v1.757.0](https://github.com/speakeasy-api/speakeasy) – Build polished and type-safe SDKs and APIs with a focus on user experience.

* [Hive hive@10.2.0](https://github.com/graphql-hive/console) – Schema registry and analytics platform for GraphQL federation and other GraphQL APIs.

* [react-native-audio-api 0.11.7](https://github.com/software-mansion/react-native-audio-api) – High-performance audio engine for React Native compatible with Web Audio API specification.

* [ZCA-JS v2.1.2](https://github.com/RFS-ADRENO/zca-js) – Unofficial API for interacting with Zalo Web using JavaScript.

* [Linky 2.1.2](https://github.com/bokub/linky) – CLI for retrieving French smart-meter consumption and production data via the Conso API.

* [Ascendara 10.2.6](https://github.com/Ascendara/ascendara) – Simplifies game management with seamless discovery, organization, and testing of pre-installed games.

* [Elysia Rate Limit v4.5.1](https://github.com/rayriffy/elysia-rate-limit) – Lightweight rate limiter plugin for Elysia.js.

* [playdate-go/pdgo v0.8.0](https://github.com/playdate-go/pdgo) – Go toolchain and SDK bindings for building Playdate games, including a custom TinyGo compiler, build tool, and examples.

* [TradeTally v2.2.1](https://github.com/GeneBO98/tradetally) – Trading journal and analytics platform for tracking trades, importing multi-broker data, and gaining performance insights.

* [Google Cloud Platform ESPv2 v2.55.1](https://github.com/GoogleCloudPlatform/esp-v2) – L7 service proxy for JSON/REST and gRPC APIs, integrating with Google Service Infrastructure for policy checks and telemetry.

* [DNSimple Ruby Client v12.1.1](https://github.com/dnsimple/dnsimple-ruby) – Ruby client for interacting with the DNSimple API v2.

* [Strapi - Comments plugin v3.2.3](https://github.com/VirtusLab-Open-Source/strapi-plugin-comments) – Strapi CMS plugin adding comment threads with moderation tools, bad word filtering, abuse reporting, and REST/GraphQL APIs.

* [Chapar v0.4.8](https://github.com/chapar-rest/chapar) – Native API testing tool supporting HTTP and gRPC protocols with workspace and environment management.

* [blockfrost-js v6.1.1](https://github.com/blockfrost/blockfrost-js) – Node.js SDK for the Blockfrost API.

* [Topaz v0.33.12](https://github.com/aserto-dev/topaz) – Cloud-native, policy-based authorization service for applications and APIs.

* [Readur v2.7.7](https://github.com/readur/readur) – Document management platform with OCR, multi-source syncing, full-text search, role-based access, and responsive React UI.

* [Unkey v2.0.92](https://github.com/unkeyed/unkey) – API authentication and authorization platform for modern developer workflows.

* [Contentful CLI v3.10.4](https://github.com/contentful/contentful-cli) – Command-line tool for managing spaces, content, migrations, extensions, and configuration on the Contentful platform.

* [HolySheep CLI v1.0.0-config](https://github.com/holysheep123/holysheep-cli) – Command-line tool that configures popular AI coding assistants to use a relay API for accessing Claude, GPT, and Gemini in China without a VPN.

* [next-openapi-gen v0.10.5](https://github.com/tazo90/next-openapi-gen) – Automatically generates OpenAPI 3.0 documentation from Next.js projects with Zod and TypeScript support.

* [FaynoSync v1.5.6](https://github.com/ku9nov/faynoSync) – Self-hosted API server for managing and delivering cross-platform desktop application updates.

* [wiretap v0.5.5](https://github.com/pb33f/wiretap) – Local and pipeline tool that sniffs API requests and responses to detect OpenAPI contract violations.

* [JSON-Server v1.0.0-beta.13](https://github.com/typicode/json-server) – Provides a full fake REST API from a JSON file with zero coding, runnable via CLI.

* [PagibleAI CMS 0.9.4](https://github.com/aimeos/pagible) – API-first Laravel CMS with AI-assisted content generation, fast JSON and GraphQL APIs, multi-language and multi-tenant support.

* [LoopBack @loopback/typeorm@0....](https://github.com/loopbackio/loopback-next) – Framework for building modern applications requiring complex integrations.

* [Node.js & Typescript Bitget API SDK v3.1.6](https://github.com/tiagosiebler/bitget-api) – Node.js and TypeScript SDK for Bitget REST APIs and WebSockets with browser support.

* [Express Zod API express-zod-api-v27....](https://github.com/RobinTail/express-zod-api) – Framework for quickly setting up an API server with input validation and custom middlewares.

* [Yao v1.0.0-alpha4](https://github.com/YaoApp/yao) – Engine for event-driven, proactive, self-scheduling autonomous agents with scheduling, multi-agent orchestration, and built-in vector/graph retrieval.

* [Ghost SDK @tryghost/url-utils@...](https://github.com/TryGhost/SDK) – Collection of tools for interacting with Ghost APIs.

* [Arkos.js v2.0.0-next.1](https://github.com/Uanela/arkos) – Express- and Prisma-based framework that auto-generates RESTful APIs from Prisma models with built-in auth, validation, and middleware.

* [Scalar release-2026-03-05-4...](https://github.com/scalar/scalar) – OpenAPI/Swagger-based interactive API reference and offline-first REST client with testing, code examples, and framework integrations.

* [Warframe Items v1.1272.148](https://github.com/WFCD/warframe-items) – Warframe API-based library providing comprehensive item data including images, drop rates, patch logs and riven details.

* [Couper edge](https://github.com/coupergateway/couper) – Lightweight API gateway for building and operating API-driven web projects.

* [go-sail v3.1.0_rc2](https://github.com/keepchen/go-sail) – Lightweight progressive Go web framework providing configuration, JWT auth, DB/Redis integration, logging, responses, and scheduling.