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A Privacy-First UK Tax Calculator: Rethinking Salary Sacrifice and Financial Planning On December 3, 2025, a new project was shared with the Hacker News community: a privacy-first UK tax calculator designed to help employees understand the impact of salary sacrifice schemes on their take-home pay. The tool, hosted at SalSacCalc , positions itself as a secure, client-side application that runs entirely in the browser. No personal or financial data is transmitted or stored, making it a noteworthy entry in the growing ecosystem of privacy-conscious financial tools. Summary of the Tool The calculator focuses on salary sacrifice arrangements , where employees agree to reduce their gross salary in exchange for non-cash benefits such as: Workplace pensions Cycle-to-work schemes Electric vehicle leases Other employer-provided benefits By lowering gross salary, employees reduce their taxable income and social contributions, often resulting in significant net savings. The calculator allows use...

Show HN: Veru—The Open-Source AI Citation Auditor Built on OpenAlex Artificial intelligence tools have become powerful research companions, but they come with one glaring weakness: citations. Large language models often hallucinate references , fabricate sources, or misattribute academic work. While AI writing tools evolve rapidly, reliable citation verification still lags behind. That gap is exactly what Veru , an open-source AI citation auditor , was built to solve. Veru connects AI-generated references to OpenAlex , the open, community-driven database of academic papers, authors, institutions, and journals. Instead of hoping your citations are real, Veru checks them automatically — flagging missing papers, mismatched metadata, incorrect DOIs , inconsistent titles, and fabricated sources. The result is a reliable auditing pipeline for researchers, students, technical writers, and anyone generating citations through AI. This article explores Veru’s purpose, how it works, what probl...