Game development tools for Unity
26 tools listed for Unity, grouped by category. Stale and archived entries are marked.
| Tool | Category | Works with | Pricing / licence | Last commit | Status |
|---|---|---|---|---|---|
| Tiled | 2D Art & Tilemaps | Unity; Godot; Any engine | Open source · GPL / BSD / Apache (per component) | 2026-09-25 | Active (<30d) |
| LDtk | 2D Art & Tilemaps | Unity; Godot; Any engine | Open source · MIT | 2026-10-06 | Active (<30d) |
| Blender | 3D & Modelling | Unity; Unreal; Godot; Any engine | Open source · GPL | 2026-10-17 | Active (<30d) |
| LLMUnity | AI Dialogue & NPCs | Unity | Open source · Apache-2.0 | 2026-04-29 | Recent (<6mo) |
| NobodyWho | AI Dialogue & NPCs | Godot (README mentions Unity too) | Open source · EUPL-1.2 | 2026-10-17 | Active (<30d) |
| Spine | Animation | Unity; Unreal; Godot; Any engine | Paid | n/a | Closed source |
| FMOD | Audio | Unity; Unreal; Godot; Any engine | Freemium | n/a | Closed source |
| Wwise | Audio | Unity; Unreal; Any engine | Freemium | n/a | Closed source |
| GameCI | Build & Distribution | Unity | Open source · MIT | 2026-09-16 | Recent (<6mo) |
| Ink | Dialogue & Narrative | Unity; Any engine | Open source · MIT | 2026-05-05 | Recent (<6mo) |
| Yarn Spinner | Dialogue & Narrative | Unity; Unreal; Godot | Open source · MIT | 2026-10-14 | Active (<30d) |
| MCP for Unity | Engine Plugins & Integrations | Unity | Open source · MIT | 2026-10-17 | Active (<30d) |
| Unity MCP server (Unity CLI) | Engine Plugins & Integrations | Unity | Free | n/a | Closed source |
| Unity | Game Engines | Unity | Freemium | n/a | Closed source |
| Nakama | Networking | Unity; Unreal; Godot; Any engine | Open source · Apache-2.0 | 2026-10-16 | Active (<30d) |
| Colyseus | Networking | Unity; Godot; Any engine | Open source · MIT | 2026-10-16 | Active (<30d) |
| Mirror | Networking | Unity | Open source · MIT | 2026-09-19 | Active (<30d) |
| Netcode for GameObjects | Networking | Unity | Free | 2026-10-17 | Active (<30d) |
| FishNet | Networking | Unity | Free | 2026-10-18 | Active (<30d) |
| Photon Engine | Networking | Unity; Unreal; Godot; Any engine | Freemium | n/a | Closed source |
| RenderDoc | Profiling & Debugging | Unity; Unreal; Any engine | Open source · MIT | 2026-10-15 | Active (<30d) |
| whisper.unity | Speech & Voice | Unity | Open source · MIT | 2025-04-17 | STALE (>6mo) |
| UnityPiper | Speech & Voice | Unity | Open source · MIT | 2024-05-29 | STALE (>6mo) |
| Git LFS | Version Control | Unity; Unreal; Godot; Any engine | Open source · MIT | 2026-09-22 | Active (<30d) |
| Perforce Helix Core | Version Control | Unity; Unreal; Any engine | Freemium | n/a | Closed source |
| Unity Version Control (Plastic SCM) | Version Control | Unity; Unreal; Godot; Any engine | Freemium | n/a | Closed source |
Engine-agnostic tools usable with Unity
These work with any engine or run as standalone tools or libraries; integration is your responsibility.
| Tool | Category | Works with | Pricing / licence | Last commit | Status |
|---|---|---|---|---|---|
| Aseprite | 2D Art & Tilemaps | Any engine | Paid | 2026-10-14 | Active (<30d) |
| Piskel | 2D Art & Tilemaps | Any engine | Open source · Apache-2.0 | 2026-09-20 | Active (<30d) |
| Krita | 2D Art & Tilemaps | Any engine | Open source · GPL-3.0 | 2026-10-18 | Active (<30d) |
| LibreSprite | 2D Art & Tilemaps | Any engine | Open source · GPL-2.0 | 2026-10-15 | Active (<30d) |
| Material Maker | 3D & Modelling | Godot; Any engine | Open source · MIT | 2026-10-15 | Active (<30d) |
| TrenchBroom | 3D & Modelling | Any engine | Open source · GPL-3.0 | 2026-10-17 | Active (<30d) |
| MagicaVoxel | 3D & Modelling | Any engine | Free | n/a | Closed source |
| SillyTavern | AI Dialogue & NPCs | Engine-agnostic (web UI) | Open source · AGPL-3.0 | 2026-09-14 | Recent (<6mo) |
| Pencil2D | Animation | Any engine | Open source · GPL-2.0 | 2026-10-16 | Active (<30d) |
| DragonBonesJS | Animation | Any engine | Open source · MIT | 2025-05-24 | STALE (>6mo) |
| Audacity | Audio | Any engine | Open source · GPL-3.0 (some files under other licences) | 2026-10-16 | Active (<30d) |
| LMMS | Audio | Any engine | Open source · GPL-2.0 | 2026-09-27 | Active (<30d) |
| Ardour | Audio | Any engine | Open source · GPL-2.0 | 2026-10-18 | Active (<30d) |
| jsfxr | Audio | Any engine | Open source · Unlicense | 2026-05-05 | Recent (<6mo) |
| itch.io butler | Build & Distribution | Any engine | Open source · MIT | 2026-10-17 | Active (<30d) |
| Dear ImGui | Code & Libraries | Any engine | Open source · MIT | 2026-10-16 | Active (<30d) |
| SDL | Code & Libraries | Any engine | Open source · Zlib | 2026-10-18 | Active (<30d) |
| SFML | Code & Libraries | Any engine | Open source · Zlib | 2026-10-16 | Active (<30d) |
| Jolt Physics | Code & Libraries | Godot; Any engine | Open source · MIT | 2026-10-16 | Active (<30d) |
| Box2D | Code & Libraries | Any engine | Open source · MIT | 2026-10-04 | Active (<30d) |
| Flecs | Code & Libraries | Any engine | Open source · MIT | 2026-10-16 | Active (<30d) |
| Twine | Dialogue & Narrative | Any engine | Open source · GPL-3.0 | 2026-10-07 | Active (<30d) |
| Ollama | Local LLM Runtimes | Engine-agnostic (local HTTP API) | Open source · MIT | 2026-10-18 | Active (<30d) |
| llama.cpp | Local LLM Runtimes | Engine-agnostic (C/C++ lib/server) | Open source · MIT | 2026-10-18 | Active (<30d) |
| BitNet | Local LLM Runtimes | Engine-agnostic | Open source · MIT | 2026-07-27 | Recent (<6mo) |
| llamafile | Local LLM Runtimes | Engine-agnostic | Free | 2026-10-08 | Active (<30d) |
| MLC LLM | Local LLM Runtimes | Engine-agnostic | Open source · Apache-2.0 | 2026-10-06 | Active (<30d) |
| KoboldCpp | Local LLM Runtimes | Engine-agnostic (local API) | Open source · AGPL-3.0 | 2026-10-18 | Active (<30d) |
| ONNX Runtime GenAI | Local LLM Runtimes | Engine-agnostic | Open source · MIT | 2026-10-15 | Active (<30d) |
| GameNetworkingSockets | Networking | Any engine | Open source · BSD-3-Clause | 2026-10-02 | Active (<30d) |
| ENet | Networking | Any engine | Open source · MIT | 2026-06-23 | Recent (<6mo) |
| Tracy Profiler | Profiling & Debugging | Any engine | Open source · BSD-3-Clause | 2026-10-17 | Active (<30d) |
| Superluminal | Profiling & Debugging | Unreal; Any engine | Paid | n/a | Closed source |
| whisper.cpp | Speech & Voice | Engine-agnostic (C/C++ lib) | Open source · MIT | 2026-10-12 | Active (<30d) |
| Coqui TTS | Speech & Voice | Engine-agnostic | Open source · MPL-2.0 | 2024-02-10 | STALE (>6mo) |
| ChatTTS | Speech & Voice | Engine-agnostic | Open source · AGPL-3.0 | 2026-04-10 | STALE (>6mo) |
| Bark | Speech & Voice | Engine-agnostic | Open source · MIT | 2024-04-05 | STALE (>6mo) |
| Fish Speech | Speech & Voice | Engine-agnostic | Free | 2026-10-14 | Active (<30d) |
| faster-whisper | Speech & Voice | Engine-agnostic (Python) | Open source · MIT | 2026-10-16 | Active (<30d) |
| F5-TTS | Speech & Voice | Engine-agnostic | Open source · MIT | 2026-10-14 | Active (<30d) |
| sherpa-onnx | Speech & Voice | Engine-agnostic | Open source · Apache-2.0 | 2026-10-17 | Active (<30d) |
| Vosk API | Speech & Voice | Engine-agnostic | Open source · Apache-2.0 | 2026-10-15 | Active (<30d) |
| Piper (rhasspy, original) | Speech & Voice | Engine-agnostic | Open source · MIT | 2025-08-26 | ARCHIVED |
| Silero VAD | Speech & Voice | Engine-agnostic | Open source · MIT | 2026-09-29 | Active (<30d) |
| Kokoro | Speech & Voice | Engine-agnostic | Open source · Apache-2.0 | 2025-08-06 | STALE (>6mo) |
| Piper (OHF-Voice piper1-gpl) | Speech & Voice | Engine-agnostic | Open source · GPL-3.0 | 2026-10-17 | Active (<30d) |