Middleware — find a capability, not a platform

8,705 reusable middleware libraries, SDKs, and systems indexed by what they do — dialogue, auth, inventory, networking, memory — across every engine, framework, and language. Discovery only; each links out to where the maker ships it.

AI & Agents

AI (3106) · Memory (346) · Voice (80) · Machine Learning (76) · OCR (32) · Simulation (24) · Dialogue (21) · Behavior (16) · Vision (12) · Robotics (8) · NPC (6)

Gameplay

Economy (31) · Inventory (28) · Trading (25) · Procedural Generation (11) · Leaderboards (7) · Save Systems (4) · Quest (3) · Pathfinding (3) · Achievements (2) · Crafting (1)

World & Presentation

UI (238) · Localization (71) · Audio (68) · Rendering (58) · Animation (25) · Physics (17) · Terrain (10) · Input (2)

Platform & Infra

Automation (993) · API (562) · Workflow (333) · Cloud (231) · SDK (151) · Authentication (135) · Messaging (65) · Email (63) · Payments (55) · Networking (53) · Scheduling (40) · Commerce (31) · Authorization (29) · Notifications (22)

Data

Database (275) · Monitoring (117) · Serialization (74) · Analytics (68) · Search (31) · Filesystem (30) · Telemetry (26) · Compression (25) · Logging (19) · Data Processing (9) · Storage (8)

Security

Security (326) · Encryption (62)

Dev & Build

Developer Tools (4567) · Testing (167) · Build Systems (83) · CI/CD (56)

By platform

Python (1000) · TypeScript (905) · Android (476) · Rust (419) · JavaScript (361) · React (311) · Go (293) · Web (244) · Node.js (237) · Godot (132) · iOS (101) · Electron (87) · C# (79) · C++ (58) · Vue (50) · PHP (40) · Java (38) · Flutter (24) · Unity (24) · Angular (20) · Lua (9) · Unreal (8) · Roblox (5) · Windows (2)

Publishers

homebrew (3167) · GitHub Actions (294) · fdroid (77) · crates (64) · sindresorhus (33) · octokitbot (18) · sboudrias (17) · ruvnet (10) · google-wombot (10) · oaslananka (9) · Foyezes (9) · dinglebear-ai (7) · api-evangelist (7) · microsoft1es (6) · devorein (6) · suzuki-shunsuke (6) · conorbronsdon (6) · n1cklss (5) · woheller69 (5) · vul-os (5) · steipete (4) · wooorm (4) · jonschlinkert (4) · GitLab CI/CD (4)