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Implementing Basic Refinement Types for Caffeine

https://caffeine-lang.run/blog/refinement-types
1•bob-surfs•2m ago•0 comments

Humankind's 10 million year love affair with booze might end

https://www.economist.com/christmas-specials/2025/12/18/how-humankinds-10m-year-love-affair-with-...
2•andsoitis•3m ago•0 comments

AI coding is now everywhere but not everyone is convinced

https://www.technologyreview.com/2025/12/15/1128352/rise-of-ai-coding-developers-2026/
2•jnord•10m ago•0 comments

Native NVMe in Windows Server 2025: Ushering in a New Era of Storage Performance

https://techcommunity.microsoft.com/blog/windowsservernewsandbestpractices/announcing-native-nvme...
1•akyuu•10m ago•0 comments

Show HN: VenvAUTO – Make Python venv setup on macOS (zsh) a one-liner

https://github.com/jdcampolargo/venvAUTO
1•jdcampolargo•19m ago•0 comments

London 1600s (AI Reconstruction) [video]

https://www.youtube.com/watch?v=994nGl4m-VM
4•mkl95•22m ago•0 comments

Paraplegic engineer becomes the first wheelchair user to blast into space

https://www.abc.net.au/news/2025-12-21/first-paraplegic-engineer-in-space/106167430
2•defrost•25m ago•0 comments

Retailers are pushing store brands. Why wings and macarons are big money makers

https://www.barrons.com/articles/retailers-private-label-brands-price-walmart-target-costco-060df...
1•hhs•27m ago•0 comments

File System as Claude Code's Memory

https://backnotprop.com/blog/file-system-as-memory/
2•ramoz•27m ago•0 comments

Show HN: Wingspan Games: Arrow – a multiplayer game built in Elixir / Phoenix

https://wingspan.games/arrow
1•calflegal•28m ago•1 comments

The Pointe Shoe Makers of Hackney

https://spitalfieldslife.com/2018/01/25/the-pointe-shoe-makers-of-hackney-x/
1•thunderbong•31m ago•0 comments

Could public domain software be the key to world freedom?

2•kerravon86•33m ago•0 comments

Show HN: Circuit Simulating Amp Plugin

https://www.youtube.com/watch?v=GcdyOtO5Id0
1•jsd1982•34m ago•0 comments

FSF Criticize New Nintendo DRM

https://www.fsf.org/bulletin/2025/winter/new-nintendo-drm-bans-consoles-makes-users-beg-for-forgi...
5•MilnerRoute•34m ago•1 comments

ComfyTrade: Build Your AI Trading Agent – Open-Source Like ComfyUI

https://github.com/tomtomtong/comfyTrade
1•tomtomtongtong•35m ago•0 comments

Freedom University: The right-wing group rallying youth in South Korea

https://www.bbc.com/news/articles/c5y27ekr26xo
1•maxloh•36m ago•0 comments

Thorium Fuel Cycle

https://en.wikipedia.org/wiki/Thorium_fuel_cycle
1•rolph•38m ago•0 comments

Show HN: Run Claude Code CLI with Azure&open source LLMs saving costs

https://github.com/Fast-Editor/Lynkr
1•vishalveera•38m ago•0 comments

Anatomy of US inequality

https://www.nber.org/papers/w34558
4•hhs•41m ago•1 comments

Constructive (2010)

https://xkcd.com/810/
2•Wowfunhappy•46m ago•0 comments

Ant societies rose by trading individual protection for collective power

https://entomology.umd.edu/news-events/news/ant-societies-rose-trading-individual-protection-coll...
2•hhs•52m ago•0 comments

Ask HN: Why do QR codes need so much visual real estate?

1•rishikeshs•56m ago•3 comments

Everyone should be using Claude Code more

https://www.lennysnewsletter.com/p/everyone-should-be-using-claude-code
4•bilsbie•56m ago•0 comments

Apple didn't have to go this hard [video]

https://www.youtube.com/watch?v=x4_RsUxRjKU
1•igravious•56m ago•0 comments

Show HN: Research repo for a time-based macroeconomic valuation model

https://github.com/ArturGrandi/grand-time-architecture
1•AGsist•57m ago•0 comments

On British Roads, Chinese Cars Are Racing Ahead

https://www.nytimes.com/2025/12/17/business/britain-china-cars-byd.html
2•bookofjoe•57m ago•1 comments

Show HN: Discord bot that reminds you to commit daily

https://github.com/NKMAK/commit-reminder-discord-bot
1•nkmak•58m ago•0 comments

China Seen Overtaking U.S. as Global Superpower (2011)

https://www.pewresearch.org/global/2011/07/13/china-seen-overtaking-us-as-global-superpower/
3•lawrenceyan•1h ago•0 comments

A development tool I cannot live without: bin/merge_master_into_all_git_branches

https://www.semicolonandsons.com/articles/merge-master-into-all-git-branches
1•jackkinsella•1h ago•1 comments

Data center deals hit record $61B in 2025 amid construction frenzy

https://www.cnbc.com/2025/12/19/data-center-deals-hit-record-amid-ai-funding-concerns-grip-invest...
2•1vuio0pswjnm7•1h ago•0 comments
Open in hackernews

I built a tool to do my bookkeeping for me (freelancer)

https://billpal.io/
2•romanleeb•2h ago

Comments

romanleeb•2h ago
Hey HN,

I'm Roman and I've been working on Billpal, a tool I built to do my bookkeeping for me.

Started as a personal thing, but I ended up building a product around it so others can use it too.

I'm a freelancer myself and always had a strong dislike for accounting, so I started to automate things bit by bit.

After testing a lot of accounting tools, I realized that a) they have many features I don’t need, and b) I was still faster using a spreadsheet.

So I built this tool to focus only on the essentials: finding invoices in my inbox and matching them to bank transactions.

What it does:

- Imports bank transactions via Open Banking APIs

- Collect invoices from the user’s inbox

- Using an IDP/OCR provider for document extraction

- Extracts basic info like date, supplier name, and line items, as well as specifics like whether it's reverse charge or various tax rates (e.g. from restaurants)

- Matches invoices to expenses based on params like amount, currency (FX conversion), and similarity to supplier names / line items (that's the only agentic part)

- Can also handle credit card statements (this part still needs improvement though)

- Users can then export a CSV with matched records

- Also built a whatsapp bot to make it super simple for users to upload receipts (photo or pdf)

Currently supports banks in the EU and UK, but planning to add US banks down the line.

Focusing on expenses right now but will also add income shortly (outgoing invoices from sent emails).

I would love to get your feedback on it. Check it out here: https://billpal.io

Looking forward to your thoughts / suggestions,

Roman

jackkinsella•1h ago
Cool software! Does this support the formats needed for German bookkeeping? Accounting fees are astronomical here so there is pent-up demand for a decent solution I reckon.