What to rebuild. What to keep paying for.
One short weekly brief on buildable workflows, missing edges, and copy-ready starting prompts.
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From recent adds · replaceable picks · prompt updates · most-wanted
Worth rebuilding
Strong DIY cases, with the missing edges called out on each detail page
OpenAI CodexOpen-source coding agents can cover repository edits and terminal loo…KINDA
Boardmix / 博思白板A personal infinite whiteboard canvas supporting sticky notes, mindma…YES
Coze / 扣子Orchestrating LLM plugins and prompt nodes in a local workflow engine…KINDA
DifyBecause Dify’s core is open source (Apache 2.0), self-hosting the com…YES
Mubu / 幕布An outliner note editor with automatic mindmap tree generation and lo…YES
Most wanted
Apps people marked “I want this gone”
DeepSeekYou can build on DeepSeek’s API in one sitting. Replacing the lab’s t…
DingTalk / 钉钉Chat + docs for a small team is buildable; DingTalk wins on approvals…
Google OneA consolation build is possible, but the paid product's decisive valu…
TrelloThe core loop is buildable, but a dependable replacement becomes a re…
Prompt updates
Editor-reviewed starting prompts, not completed builds
AirtableA spreadsheet database CRUD app is buildable, but Airtable's views, p…KINDA
AsanaThe core loop is buildable, but a dependable replacement becomes a re…KINDA
CalendlyA single-user booking page is easy; production-grade scheduling needs…KINDA
CanvaA prompt-to-template design generator is buildable, but Canva's value…KINDA
CarrdA one-page static site generator with forms and custom domains is abs…YES
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