Open source alternatives to Gigapixel AI
50 open source AI apps to use instead, best rated first.
Top picks
- O

Open WebUI
LaunchSelf-hosted AI platform that connects local and cloud models, extends with Python, and keeps your data under your control.
Open sourceSelf-hosted
- A

AutoGPT
LaunchPlatform for building, deploying, and running AI agents that automate repeatable digital work across research, outreach, content, and support without writing code.
Open source
- P

pi
LaunchTerminal-based coding agent with a minimal core, 15+ LLM providers, tree-structured session history, and a TypeScript extension system for building your own workflows.
Open source
- A

AFFiNE
LaunchAn open-source, local-first knowledge base that merges structured docs, infinite whiteboards, databases, and AI into a single workspace for teams and creators.
Open source
- A

aider
LaunchTerminal-based AI coding tool that lets you edit existing codebases or start new projects using LLMs like Claude, GPT, and DeepSeek.
Open source
- A

AppFlowy
LaunchOpen source collaborative workspace combining notes, databases, and AI with full data ownership, offline support, and self-hosting options.
Open source
More AI apps
About Gigapixel AI
Gigapixel AI
Image upscaling tool enlarging photos up to 6x
Topaz Gigapixel AI is an AI-powered image upscaling tool that enlarges photos up to 6x their original size while adding realistic details, sharpening, and reducing noise. Designed for photographers and digital artists, it runs locally on desktop as a standalone app or plugin, with a Pro version offering CLI for batch processing and multi-machine use.
- Category
- AI
- Website
- gigapixelai.com



