Middleware — find a capability, not a platform

6,472 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 (1651) · Memory (208) · Machine Learning (60) · Voice (59) · Dialogue (21) · OCR (21) · Simulation (15) · Behavior (14) · Vision (10) · Robotics (6) · NPC (5)

Gameplay

Economy (24) · Inventory (21) · Trading (13) · Procedural Generation (8) · Save Systems (4) · Leaderboards (3) · Pathfinding (3) · Quest (2) · Crafting (1) · Achievements (1)

World & Presentation

UI (181) · Audio (60) · Localization (57) · Rendering (53) · Animation (22) · Physics (17) · Terrain (10) · Input (1)

Platform & Infra

Automation (560) · API (387) · Cloud (168) · Workflow (162) · SDK (120) · Authentication (86) · Messaging (46) · Email (39) · Networking (30) · Payments (28) · Scheduling (20) · Commerce (18) · Authorization (15) · Notifications (12)

Data

Database (182) · Serialization (62) · Monitoring (55) · Analytics (44) · Filesystem (25) · Search (21) · Compression (19) · Logging (16) · Telemetry (15) · Storage (5) · Data Processing (5)

Security

Security (231) · Encryption (42)

Dev & Build

Developer Tools (3870) · Testing (124) · Build Systems (55) · CI/CD (22)

By platform

Python (506) · Android (417) · TypeScript (392) · Rust (211) · React (171) · Node.js (168) · Web (167) · JavaScript (167) · Godot (132) · Go (110) · iOS (61) · C++ (47) · Electron (41) · C# (41) · Vue (32) · Java (19) · PHP (18) · Unity (16) · Angular (15) · Flutter (13) · Lua (7) · Unreal (7) · Windows (2) · Linux (2)

Publishers

homebrew (3113) · GitHub Actions (268) · fdroid (77) · crates (61) · sindresorhus (33) · octokitbot (18) · sboudrias (17) · google-wombot (10) · ruvnet (9) · Foyezes (9) · microsoft1es (6) · devorein (6) · oaslananka (6) · n1cklss (5) · woheller69 (5) · wooorm (4) · jonschlinkert (4) · linny006 (4) · testing-library-bot (4) · VP-GAMES (4) · MuhammadTanveerAbbas (4) · oss-bot (3) · isaacs (3) · steipete (3)