uxie
pdf reader app with note taking, annotations, collaboration, ai features (chat, flashcards generation w. ai-feedbacks), tts and ocr.
Stars: 76
Uxie is a PDF reader app designed to revolutionize the learning experience. It offers features such as annotation, note-taking, collaboration tools, integration with LLM for enhanced learning, and flashcard generation with LLM feedback. Built using Nextjs, tRPC, Zod, TypeScript, Tailwind CSS, React Query, React Hook Form, Supabase, Prisma, and various other tools. Users can take notes, summarize PDFs, chat and collaborate with others, create custom blocks in the editor, and use AI-powered text autocompletion. The tool allows users to craft simple flashcards, test knowledge, answer questions, and receive instant feedback through AI evaluation.
README:
PDF reader app designed to revolutionise your learning experience!
🚀 Developed with features like:
- 📝 Annotation, note-taking, and collaboration tools
- 📚 Integrates with LLM for enhanced learning
- 💡 Generates flashcards with LLM feedback
Originally started as a hackathon project which I ended up winning 🥇! Uxie has since evolved with even more exciting features. I'd love for you to give Uxie a try and share your valuable feedback.
- Nextjs Frontend and Serverless api routes
- tRPC For typesafe apis
- Zod For validation
- Typescript For type safety
- Tailwind CSS For CSS
- React Query for data fetching, optimistic updates
- React Hook Form for form handling
- Shadcn UI + Radix UI For UI components
- Supabase As the database
- Prisma As the ORM
- Blocknote for note taking
- Uploadthing for storing pdfs
- Next Auth for authentication
- React-pdf-highlighter for pdf rendering,highlighting
- Vercel AI SDK, Langchain for AI responses and streaming, generating flashcards + evaluating them
- Pinecone DB for storing embeddings of pdfs
- Fireworks AI for LLM
- Huggingface Model for generating Embeddings
- Liveblocks for realtime collaboration
- Nuqs for type-safe search params
- Note taking, later download the note as markdown
- Summarise, ask questions about the PDFs
- Chat and collab with other (collaboration disabled for now-hit free tier limits :'(
- Custom blocks in editor
- highlights block which on click takes you to that highlight on the doc.
- AI-powered text autocompletion, and text enhancement
- PDF text-to-speech (English only)
- PDF ocr support (English only)
- Craft simple flashcards to test your knowledge, answer questions, and receive instant feedback through AI evaluation.
- [ ] add proper prompts for each item in custom/ai/popover.tsx
- [ ] display a x% done in /f, also scroll to that page on opening the file. add a go-to-page-numb option in bottom-toolbar => along with zoom, etc)
- [ ] ffs build a category system for documents => doesnt matter if ui is bad, just build it
- [ ] implement ratelimit using redis kv => checkout upstash
- [ ] add download flashcards in csv,anki format ( apkg format), also add dl notes in pdf format (html2pdf lib should work)
- [ ] better error,loading pages => abstract this logic to hook / component
- [ ] editor loads with empty data before the data is loaded.
- [ ] see if u can see all the users (also typing status for chat: refer) in the liveblocks room, (and display it at top)
- [ ] fix
.tippy-arrow
appearing on screen at all times => added a temp fix. still appears when hovered over the pdf reader - [ ] abstract userIsOwner and userHasAccess (either collab or owner) logic. solution seems to be => create separate helper functions (take where, select, etc as params: use relevant prisma types to match each.)
- add multi-language support (works only for english now, atleast mention this somewhere ig)
- experiment with the voice (changing pitch, etc)
- add an onboarding flow for this? just explaining what it is and all
- some way to hide the bottom-toolbar (separate settings page or just drag to side?)
-
[ ] profile how long pinecone takes for retrieval of embeddings, and maybe look into upstash embedding storage for this (or pgvector?)
-
[ ] For area-highlight
- store it as base64 to the notes, then in the same addhighlighttonotes function upload it to uploadthing, and then update the url of the block in the notes. => would prob need to create a custom block for this, else there'd be a noticable lag. - add the yellow leftborder which takes to the image highlight on click
-
[ ] use background runner or something and do long-polling
-
[ ] store the content of text-highlight and make it available for search (from a cmd+k window, and maybe also from /f) => prob not useful for image-highlights
-
[ ] see if the liveblocks stuff can be replaced w. sockets refer
-
[ ] Run the seogets script
-
[ ] send page number whenever tool-calling is used, then display it under the text. (which takes to that page on click)
-
[ ] add bm25 along w vector embeddings? https://www.anthropic.com/news/contextual-retrieval#:~:text=BM25%20can%20succeed%20where%20semantic%20embeddings%20fail
- Create index => Dimensions = 768, Metric = Cosine
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