Top 2D GitHub Repositories & Tools (2026)

Generate clean 2D game sprites & animation atlases — component-row pipeline: state rows, alpha cleanup, frame extraction, runtime atlases. Codex/Claude skill.

A dead simple 2D game engine for Go

Production-grade charts built for brokers, exchanges, trading platforms, and financial portals. Bring your own market data, plug it in, and deliver a complete charting experience without building the charting stack from scratch. Open source. Data-agnostic. Ready to integrate.

Community-built comprehensive 2D content creation appplication for graphic design, digital art, and interactive real-time motion graphics powered by a node-based procedural graphics engine

💖🧸 Self hosted, you-owned Grok Companion, a container of souls of waifu, cyber livings to bring them into our worlds, wishing to achieve Neuro-sama's altitude. Capable of realtime voice chat, Minecraft, Factorio playing. Web / macOS / Windows supported.

Pixel art editor made with Zig

Free/Libre Action Roleplaying Engine (engine only)

Cross-platform 2D game engine focused on ultimate productivity built in .NET

Direct interop Code for .NET Framework, .NET Core and .NET 5+ : DXGI, WIC, DirectX 9 to 12, Direct2D, Direct Write, Direct Composition, Media Foundation, WASAPI, CodecAPI, GDI, Spatial Audio, DVD, Windows Media Player, UWP DXInterop, WinUI3, etc.

Infobip Spring Data Querydsl provides new functionality that enables the user to leverage the full power of Querydsl API on top of Spring Data repository infrastructure.

A nonlinear 2D puzzle platformer taking place in impossible spaces.

A solver for (geometrical) packing problems

Cross-platform graphics framework for C# with .NET NativeAOT | Desktop • Mobile • Web | Direct3D • Metal • OpenGL • WebGL

Augmented text display system for libGDX, based on typing-label

A collection of utilities for creating rhythm games in Unity, Unreal, Godot, MonoGame, Love2D, and more.

lightweight procedural motion tool for static 2D images and game assets

Production-grade Chromium Embedded Framework (CEF) for Compose Multiplatform Desktop & Universal Java (Swing, JavaFX, SWT, AWT). Features pure Java2D OSR (zero JOGL), dual Kotlin/Java ergonomics, sub-pixel trackpad scrolling, HiDPI scaling, virtual app:// schemes, and WebRTC on Windows, macOS, & Linux.

A modular, extensible 2D game framework for .NET.

Parametric CAD modeling with Lua

Umamo is an open-source cross-platform rigging editor for 2D puppet animation, with first class pen and touch support, built as a drop-in replacement for the Live2D Cubism Editor.