Compositor
PulseGate's liveness check found it on 19 Sep 2026; it is registered on GitHub and has been in the index since 19 Sep 2026. How this is checked
Compositor is a free, open-source image editor for Mac focused on professional compositing and post-processing workflows. It provides layers, masks, blend modes, selections, adjustments, filters, retouching tools, and other Photoshop-style capabilities.
Inferred · not functionally tested
Overview
6 featuresPurpose: Creating professional image composites and post-processed images without paying for Photoshop.
Inferred · not functionally tested
Audience: Mac users who need professional image compositing and photo editing
Inferred · not functionally tested
Functions: Unknown
Interfaces: API: unknown · MCP: unknown · CLI: unknown · Self-hosting: indicated (inferred, not tested)
Recorded constraints: pricing: open_source · license: MIT · platforms: DESKTOP, WEB · deployment: browser, macos, self_hosted
Constraint provenance is unknown; confirm requirements with the publisher.
Record sources: robbietilton.com · github.com. These links do not verify the individual claims.
Compositor sits in PulseGate's Photo editors category. Inferred · not functionally tested: It focuses on creating professional image composites and post-processed images without paying for Photoshop. Inferred · not functionally tested: It is built as an open-source project for mac users who need professional image compositing and photo editing. Basis unknown · not verified: Compositor is open source under the MIT license. Basis unknown · not verified: It runs on the web and macOS, and it can be self-hosted.
Behind Compositor is Robbie Tilton, and it first shipped in 2026. The project is developed in the open on GitHub with 888 stars and 26 commits in the last 90 days. Inferred · not functionally tested: Among its 6 catalogued features are layers, folders, and Layer Masks.
Summary written by a language model from the project’s public pages.
Tasks: Inferred · not functionally tested
- Layers
- Folders
- Layer Masks
- Clipping Masks
- Blend Modes
- Selection Tools
Topics: Inferred · not functionally tested
Built with & integrations
- Claude Code
- commit 8863eda183aa · since Sep 2026
- Google Cloud
- x-cloud-trace-context header
Trust & compliance
Indexing history
1What PulseGate has recorded for this listing
- Indexed19 Sep · 04:37 UTCCompositor – The Photoshop Alternative for Mac seen via Hacker News firehose (Algolia)Source: Hacker News firehose (Algolia) · Open
Frequently asked questions about Compositor
- What does Compositor do?
- Inferred · not functionally tested: Compositor focuses on creating professional image composites and post-processed images without paying for Photoshop. It is catalogued under Photo editors on PulseGate.
- Who is Compositor for?
- Inferred · not functionally tested: Compositor is an open-source project built for mac users who need professional image compositing and photo editing.
- Does Compositor have a free plan?
- Basis unknown · not verified: Yes — Compositor is open source under the MIT license and free to use.
- What platforms does Compositor run on?
- Basis unknown · not verified: Compositor runs on the web and macOS. It can also be self-hosted.
- Is Compositor still maintained?
- PulseGate's liveness check found it on 19 Sep 2026. Its GitHub repository shows 26 commits in the last 90 days.
- Who makes Compositor?
- Compositor is developed by Robbie Tilton.
- When did Compositor launch?
- Compositor first shipped in 2026.
- Is Compositor open source?
- Basis unknown · not verified: Yes — Compositor is open source under the MIT license, developed on GitHub.
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