I'm a ful;-stack developer living in the Philippines, and I built this tool after watching people around me freelancers, VAs, online sellers stress out every quarter over BIR filing.
The problem is always the same: manual computations, scattered deadlines, and last-minute panic before the filing date. Spreadsheets kind of work, but they're tedious and easy to get wrong.
Tax Assistant PH is a free web app that handles the heavy lifting: Income & expense tracking log everything in one place