Top DD GitHub Repositories & Tools (2026)

Frontier CoreML audio models in your apps — text-to-speech, speech-to-text, voice activity detection, and speaker diarization. In Swift, powered by SOTA open source.

A mod to make and play Terraria mods. Supports Terraria 1.4 (and earlier) installations

Xterm/VT100 Terminal emulator library in Swift with AppKit, UIKit, WebAssembly, Web, headless frontends.

Self-hosted mail server for your own domain: SMTP/IMAP/POP3, CardDAV/CalDAV, React webmail and admin console, one-command Docker Compose.

Lovingly referred to as the Swiss Army Knife of PC gaming, Special K does a bit of everything.

Open-source IoT Platform - Device management, data collection, processing and visualization.

🔐 Authentication, Authorization, and Accounting (AAA) App and Plugin for Caddy v2. 💎 Implements Form-Based, Basic, Local, LDAP, OpenID Connect, OAuth 2.0 (Github, Google, Facebook, Okta, etc.), SAML Authentication. MFA/2FA with App Authenticators and Yubico. 💎 Authorization with JWT/PASETO tokens. 🔐

Modular Windows/Android toolkit for Arknights: Endfield: BEM model mods and creator tools, native plug-ins, MMD playback, camera/UI controls, character voices, title-screen customization, and PC combat/gacha tools.

Patches for Morphe to disable ads, trackers and analytics, remove Reddit ads everywhere, always open Gboard in incognito mode, and much more!

High-performance data engine for AI and multimodal workloads. Process images, audio, video, and structured data at any scale

ArcadeDB Multi-Model Database, one DBMS that supports SQL, Cypher, Gremlin, HTTP/JSON, MongoDB and Redis. ArcadeDB is a conceptual fork of OrientDB, the first Multi-Model DBMS. ArcadeDB supports Vector Embeddings.

High performance, minimalist Go web framework

Communication infrastructure for the AI era — one binary, one broker, one storage layer, any protocol

A local-first relational database for the browser, React Native and your backend.

The tiniest OpenID Certified™ authorization and authentication server you have ever seen.

Free, open-source display control for Windows 11: one brightness slider for every monitor (DDC/CI and laptop panels), night light, focus mode, keep awake, per-monitor taskbar hiding and glass, OLED care, your monitor's own settings, hotkeys and a CLI.

The Ruby-native AI framework. Chats, agents, tools, images, audio, and video through one consistent API, in plain Ruby or Rails.

A Reddit client for Android

MCP server for Blender. 186 tools for modelling, materials, rendering and more, driven by Claude, Cursor, Codex, Ollama, llama.cpp, or any MCP client.

Open-source research workspace for connecting sources, evidence, notes and ideas. Built for academic research with Zotero integration. Available on MacOS, Windows and Linux.