Calamus · Writing & Work
AI writing tools
AI writing tools in this graph: 12, including DeepL, prompts.chat, Gamma, Grammarly, Microsoft 365 Copilot and Notion AI.
Help with writing, translating, slides and everyday office work.
Capabilities in this galaxy
Products11
- DeepL2017Natural-sounding translation, plus a writing assistant for many languages.Free plan + paid upgrades
- prompts.chat2022A community library of prompts for ChatGPT, Claude and other models, open source and self-hostable.Open source, free
- Gamma2022Turns an outline into a designed deck, document or web page.Free plan + paid upgrades
- Grammarly2009Real-time help with clarity, tone and grammar wherever you type.Free plan + paid upgrades
- Microsoft 365 Copilot2023AI inside Word, Excel, PowerPoint, Outlook and Teams.Paid
- Notion AI2023Writes, summarizes and searches across your Notion workspace.Paid
- Prompt Optimizer2025A tool for rewriting, testing and comparing prompts, on the web, desktop or as a browser extension.Open source, free
- Jasper2021On-brand marketing content for teams.Paid
- QuillBot2017Paraphrasing, summarizing and citation tools for students.Free plan + paid upgrades
- Raycast AI2023Ask any model from a keystroke, anywhere on your Mac.Free plan + paid upgrades
- Napkin2024Turns text into diagrams and visuals for docs and slides.Free plan + paid upgrades
CLIs1
Organizations8
- DeepL2017Cologne company, grown out of Linguee, that builds the DeepL translator and writing tools.
- Gamma2020San Francisco startup that makes Gamma, an AI tool for decks, documents and web pages.
- Notion2013The company behind Notion, an all-in-one workspace with built-in AI.
- Raycast2020London company founded by two former Facebook engineers that makes the Raycast launcher.
- Superhuman2009The company formerly named Grammarly, maker of the Grammarly writing assistant, Coda and Superhuman Mail.
- Jasper2021Austin company that makes Jasper, an AI writing platform for marketing teams.
- Napkin AI2021Startup founded by the creators of Osmo that turns text into diagrams with Napkin.
- QuillBot2017Maker of the QuillBot paraphrasing and grammar tools, owned by Learneo.
Last updated 2026-09-24