Live
Kenney
CC0. Commercial ok. No attribution required.
3D glTF kits, pixel packs, SFX, and music loops. Grab packs, do not vendor the zips here. Gather woods no longer use Kenney silhouettes.
https://kenney.nl/
Wiki
Resources
Recommended tools and assets. Official URL, license one-liner, and what it is for. Live rows are ready. Idea rows wait. Skip stays skip.
Link out. Gather vendors selected CC0 glTF, maps, and one CC0 score — cited below. Verified 2026-08-31 from official pages.
Use now
Live
Verified from official pages. Official URL, license as stated, and what it is for. Link out. Do not vendor huge zips.
Live
KayKit Adventurers
CC0.
Retired for Gather play. The Quaternius Witch walker replaced KayKit Ranger. Keep the catalog for other doors.
https://kaylousberg.itch.io/kaykit-adventurers
Live
jsfxr
Unlicense. Unrestricted commercial use.
Click, coin, and hit. Embed below or open the generator. Gather footsteps, chop, mine, bag, and chest hits are synthesized in-engine in that same family.
https://sfxr.me/
If the frame is blank, the official page still works. Make a click, a coin, and a hit. Do not vendor a zip of samples.
Live
Pixelorama
MIT.
Pixel editor. Draw here, export sprites, keep the files out of git until a demo uses them.
https://www.pixelorama.org/
Live
Sonniss GDC 2026
Royalty-free. No attribution. Media and games only. No AI training.
Yearly SFX dump for shipped games and trailers. Not a training set.
https://gdc.sonniss.com/
Live
ambientCG
CC0 1.0. Commercial ok. Credit appreciated, not required.
PBR textures and HDRIs you can drop on a mesh. Download the file. Do not scrape the site.
https://ambientcg.com/
Also use now
Live
Same bar, shorter rows. Still cited. Still outbound.
Live
Quaternius
CC0.
Gather play woods instance Ultimate Stylized Nature Pack glTF (Pine, CommonTree, TwistedTree, rocks, undergrowth). Play walker is the Witch from Ultimate Animated Character Pack. House flora in src/lib/gather/flora.ts is fallback + far LOD cards if those files are stubs or missing.
https://quaternius.com/
Live
Poly Haven
CC0 for downloaded files. Live API has extra ToS.
Gather ground is Poly Haven Forest Floor (CC0) 1K diffuse + normal at /gather/tex. Download the file. Do not lean on the live API.
https://polyhaven.com/license
Live
Piskel
Apache 2.0.
In-browser pixel editor when Pixelorama is too much.
https://www.piskelapp.com/
Live
LibreSprite
Editor is GPL. Your art is yours.
Desktop pixel editor. The GPL covers the app, not the sprites you draw.
https://github.com/LibreSprite/LibreSprite
Live
0x72 Dungeon Tileset II
CC-0.
16×16 dungeon tiles. Hypha-shaped benches, not a clone of the sheet.
https://0x72.itch.io/dungeontileset-ii
Live
Forest Whisper Theme
CC0. Music by Cleyton Kauffman.
Gather woods loop. Vendored OGG at /gather/audio/forest-whisper.ogg. Calm forest cue, not a synth arpeggio.
https://opengameart.org/content/forest-whisper-theme
Live
ChipTone
CC0 output.
Chip SFX when jsfxr is not the texture you want.
https://sfbgames.itch.io/chiptone
Live
LDtk
Editor is MIT. Levels you draw are yours.
2D level editor. Hypha-shaped rooms, not a Dead Cells clone. JSON export. Do not vendor example maps.
https://ldtk.io/
Live
Tiled
App is GPL / BSD. Maps you draw are yours.
Tile maps when LDtk is the wrong shape. Orthogonal or iso. Export TMX or JSON. Keep sheets out of git until a demo uses them.
https://www.mapeditor.org/
Live
Blockbench
Editor is GPL-3.0. Models you make are yours. Commercial ok.
Low-poly mesh + pixel texture when a Kenney kit is close but not the sheet. Export glTF. Do not vendor Minecraft packs.
https://www.blockbench.net/
Read now
Live
Articles and repos. Steal the method. Do not ship a tutorial map.
Live
Red Blob Games
Articles free. Accompanying code MIT or Apache 2.0.
Pathfinding, noise maps, hex grids, polygonal maps. Steal the explanation. Do not paste a tutorial world into a demo.
https://www.redblobgames.com/
Live
three.js manual
Docs and examples follow the three.js project license. Read before you copy an example wholesale.
Camera, lights, shadows, loaders. Gather and Builder already sit on this. Manual first, extra examples later.
https://threejs.org/manual/
Live
Catlike Coding
Tutorials are free to read. Do not republish the pages.
Noise, hex maps, procedural meshes. Written in Unity. The math ports. The project files do not.
https://catlikecoding.com/unity/tutorials/
Live
Wave Function Collapse
MIT on the reference repo.
Constraint tiling when scatter is not enough. Read the README. Do not drop their sample tilesets into a public build.
https://github.com/mxgmn/WaveFunctionCollapse
Maybe
Idea
Useful later. Account walls, org caps, or output rules that are not a default grab.
Idea
Mixamo
Adobe account. Use inside a shipped game. Never republish raw FBX.
Rigs and clips for a character that already earned a body.
Account wall. Fine in a build. Not a public FBX dump.
https://www.mixamo.com/
Idea
PixelLab
You own the output. Open RAIL-M.
Pixel generation when a hand pass is too slow.
https://www.pixellab.ai/
Idea
Stable Audio
Community license if org revenue is under $1M.
Score sketches. Confirm the org cap before a public build.
https://www.stableaudio.com/
Idea
MagicaVoxel
Freeware tool. Not OSS. Models you make are yours. Credit to Ephtracy is appreciated.
Chunky voxel studies that match the low-poly read. Export OBJ, then clean in Blockbench if needed.
App license is informal. Confirm the current page before a store build.
https://ephtracy.github.io/
Idea
Game-icons.net
CC BY 3.0. Attribution required.
HUD marks when Kenney has no icon. Credit the author. Prefer CC0 first.
https://game-icons.net/
Idea
FastNoiseLite
MIT.
Richer noise if the field rng runs out of road. Not a swap for today's mulberry stream.
https://github.com/Auburn/FastNoiseLite
Paid later
Idea
Buy when a demo earns the seat. Free tiers here are not a game license.
Idea
Aseprite
$19.99. Paid editor.
The pixel tool if LibreSprite and Pixelorama run out of road.
https://www.aseprite.org/
Idea
Synty
Paid store packs. Read the pack you buy.
Bigger 3D kits after a demo proves the loop.
https://syntystore.com/
Idea
Suno
Pro only for this shop. Free and Basic are personal / non-commercial.
Music later, and only on a paid seat.
https://suno.com/terms
Idea
ElevenLabs SFX
Paid. Free tier is non-commercial.
Generated hits when ChipTone and jsfxr are not enough.
https://elevenlabs.io/sound-effects
Idea
GameDev Market
Paid marketplace. Read the pack license. Most are not CC0.
One pack after a loop earns it. Do not browse-buy a style.
https://www.gamedevmarket.net/
Skip
Skip
Wrong license, login-walled terms, or a filter job we will not do.
Skip
Artlist consumer
Consumer seats are not a game license. Games need Enterprise.
Do not drop Artlist tracks into a demo.
https://artlist.io/
Skip
Udio
Terms sit behind login. Unverified. Skip.
Do not build a score pipeline on a wall you cannot read.
https://www.udio.com/
Skip
OpenGameArt / LPC
Mixed. Many packs are not CC0. Filter or skip.
Only if you filter to CC0 and keep the citation. Default is skip.
https://opengameart.org/
Skip
Freesound
Mixed. Only CC0 plus a login, and still easy to miss a share-alike clip.
Prefer Kenney, Sonniss GDC, jsfxr, ChipTone.
https://freesound.org/
Skip
Pixabay / Unsplash dumps
Photo licenses. Not a game-asset license. Content ID and third-party marks hide in the pile.
Do not texture a demo from a photo dump. Use ambientCG or Poly Haven.
https://pixabay.com/service/license-summary/
Skip
CraftPix free packs
Mixed store terms. Free rows are not a default grab.
Skip unless a paid pack is read line by line. Kenney first.
https://craftpix.net/
Credits
Goodwill
CC0 does not require a name. We still thank the people whose kits this shop will lean on. Licenses verified 2026-08-31.
Credit
Kenney
Credit
Kay Lousberg / KayKit
Credit
Quaternius
Credit
Poly Haven
Credit
Cleyton Kauffman — Forest Whisper
Credit
0x72
Credit
ambientCG