Most popular closed-source AI agents and apps
The closed-source AI products in the Library with the widest reach, from coding agents to desktop assistants.
Top 15
1. Claude Code
Lets you hand coding tasks to Anthropic's AI agent in your terminal, editor or desktop app
Closed sourcePaid2. ChatGPT Desktop
Brings ChatGPT chat, Work tasks and the Codex coding agent to your desktop
Closed sourceFree3. Claude Desktop
Puts Claude on your desktop, with access to your local files and apps
Closed sourceFree4. LM Studio
Finds, downloads and runs open AI models on your computer in one desktop app
Closed sourceFree5. Figma MCP Server
Lets your AI agent turn Figma designs into code and create designs in your Figma files
Closed sourcePaid6. Notion MCP
Lets your AI agent search, read and edit pages in your Notion workspace
Closed sourceFree7. Msty Studio
Lets you chat with local and online AI models side by side in one private workspace
Closed sourceFree8. Slide Deck Builder
Turns your notes into a PowerPoint deck, or edits the slides you already have
Closed sourceFree9. Gemini Notebook
Answers questions about your own documents and turns them into audio and study aids
Closed sourceFree10. Perplexity
Answers your questions with sources you can check, and writes longer research reports
Closed sourceFree11. Word Document Maker
Lets Claude create, read and edit Word files, including tracked changes and comments
Closed sourceFree12. Gamma
Turns a topic, notes or a document into a designed presentation, document or web page
Closed sourcePaid13. Manus
Takes a one-line request and delivers finished slides, websites, research and reports
Closed sourceFree14. Lovable
Builds and publishes web apps and websites from a description in plain words
Closed sourceFree15. Replit
Builds and publishes apps and websites from a chat in plain words
Closed sourceFree
Ranks 16 to 20
16. GranolaApp · Turns your rough meeting notes and the call audio into clear notes and action itemsFree
17. HeyGenApp · Turns a script, slides or a prompt into a video with a talking AI presenterFree
18. v0Agent · Turns a description, screenshot or design into a working web app you can publishFree
19. CursorAgent · Lets you build and change software by describing what you want to an AI agent in an editorFree
20. GitHub CopilotAgent · Helps you write, explain and fix code in your editor, your terminal and on GitHubFree