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1. Show HN: HTML visualization of a PDF file's internal structure (github.com/desgeeko)
240 points by desgeeko 6 hours ago | 33 comments
2. Show HN: Global 3D topography explorer (jessekv.com)
46 points by jessekv 4 hours ago | 17 comments
3. Show HN: Infinite Horizontal Array of Text Editors (zeminary.com)
26 points by tsydenzhap 2 hours ago | 12 comments
4. Show HN: AI Chat – unified chat sessions across OpenAI, Gemini, DeepSeek (go) (github.com/presbrey)
4 points by presbrey 3 hours ago | discuss
5. Show HN: Nstart, a Nostr's Onbarding Tool (njump.me)
3 points by dtonon 4 hours ago | discuss
6. Show HN: Lapisla – A Theorem Proving Platform for Openness and Reusability (github.com/lapisla-prover)
3 points by abap34 4 hours ago | discuss
7. Show HN: Ricotta – Language Learning to Replace Anki (affineur.io)
50 points by williamsss 21 hours ago | 63 comments
8. Show HN: My first side project, streamlined book clubs on Slack (booktalk.club)
98 points by Papamanolis 1 day ago | 49 comments
9. Show HN: Detective Stories -Lateral thinking detective game with Deepseek player (detective-stories.com)
3 points by emurph55 5 hours ago | 1 comment
10. Show HN: I made a free, minimalist income tracker for freelancers (lightolive.com)
3 points by khalef 8 hours ago | 2 comments
11. Show HN: ExpenseOwl – Simple, self-hosted expense tracker (github.com/tanq16)
214 points by import-base64 2 days ago | 84 comments
12. Show HN: KTransformers:671B DeepSeek-R1 on a Single Machine-286 tokens/s Prefill (github.com/kvcache-ai)
9 points by sssummer 9 hours ago | discuss
13. Show HN: Daily-notes.nvim – fuzzy time journal and planning plugin (github.com/fdavies93)
63 points by fdavies93 1 day ago | 21 comments
14. Show HN: Chez Scheme txtar port from Go (sr.ht)
73 points by hellcow 2 days ago | 7 comments
15. Show HN: Play with real quantum physics in your browser (orgsoft.org)
149 points by mattvr 3 days ago | 71 comments
16. Show HN: FlashSpace – fast, open-source, macOS Spaces replacement (github.com/wojciech-kulik)
252 points by wojciech-kulik 2 days ago | 101 comments
17. Show HN: Small back end server to render PNG from VueJS widgets (github.com/maelp)
2 points by oulipo 12 hours ago | discuss
18. Show HN: Reducing memory allocs in convoy's flatten pkg (medium.com/danvixent)
11 points by danvixent 5 hours ago | 2 comments
19. Show HN: Neovim Plugin for iOS and macOS Development (github.com/wojciech-kulik)
15 points by wojciech-kulik 1 day ago | 2 comments
20. Show HN: Automated Sorting of group photos by user defined N people in each pic (github.com/karvy-singh)
30 points by Karvy 2 days ago | 3 comments
21. Show HN: A website that heatmaps your city based on your housing preferences (theretowhere.com)
314 points by WiggleGuy 3 days ago | 97 comments
22. Show HN: HN as TikTok, welcome to HN hell (hnhell.com)
168 points by sirobg 2 days ago | 58 comments
23. Show HN: An API that takes a URL and returns a file with browser screenshots (github.com/us-artificial-intelligence)
207 points by gkamer8 4 days ago | 100 comments
24. Show HN: Searchable library of free audiobooks (booksearch.party)
151 points by libridev 22 hours ago | 26 comments
25. Show HN: Marksmith – a GitHub-style Markdown editor for Ruby on Rails (avohq.io)
161 points by adrianthedev 4 days ago | 28 comments
26. Show HN: Mandarin Word Segmenter with Translation (mandobot.netlify.app)
48 points by routerl 2 days ago | 34 comments
27. Show HN: Ocal – AI Calendar That Schedules Assignments for You (ocal.ai)
42 points by mspyke 1 day ago | 33 comments
28. Show HN: Transductive regular expressions for text editing (github.com/c0stya)
260 points by c0nstantine 3 days ago | 95 comments
29. Show HN: Heap Explorer (github.com/heap-exploitation)
72 points by bkallus 4 days ago | 5 comments
30. Show HN: SQLite disk page explorer (github.com/quadruplea)
283 points by QuadrupleA 4 days ago | 39 comments

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