# Jacaranda Labs — seven products, one studio > A software venture studio in Harare, Zimbabwe. It builds and runs seven products and publishes the books that study them. Every product below has a storefront, a markdown page and a JSON fact file. Prices come from the live billing table. ## Products ### STPi — Recruitment automation and applicant tracking STPi hunts 76 job board families across 21 African markets every day, writes a cover letter and a tailored CV for every match, and sends only after a human taps approve. - Storefront: https://stpi.whop.site - Facts: https://stpi-v2.stpi-cloud.workers.dev/facts.json - Prices: From $19 one-off. ### Tapstall — Online storefront and order rail for small shops Tapstall gives a shop one link: the customer taps it, picks, and pays the exact amount, and the order lands in a dashboard the shop owns. - Storefront: https://tapstall.whop.site - Facts: https://tapstall-v2.zlnew.workers.dev/facts.json - Prices: Free, then from $7 a month. ### DeskOS — Tender discovery and bid tooling DeskOS reads 13 public tender sources every morning and puts what is open in your regions on one desk, beside 30 calculators for the sums that decide whether to bid. - Storefront: https://deskos.whop.site - Facts: https://deskos-v2.deskos.workers.dev/facts.json - Prices: Free, then from $9 one-off. ### AttestOS — Bot mitigation and human verification AttestOS replaces image puzzles on sign-up, login and contact forms with an invisible proof-of-work check and one server-side verification. - Storefront: https://attestos.whop.site - Facts: https://attestos-v2.attestos.workers.dev/facts.json - Prices: Free, then from $49 a month. ### TightBucket — Conversion leak auditing TightBucket finds the leaks costing you sales in about 20 seconds: slow pages, hidden shipping, long forms and email stuck in spam. - Storefront: https://tightbucket.whop.site - Facts: https://tightbucket-v2.tightbucket.workers.dev/facts.json - Prices: Free, then from $49 a month. ### Mechanism Audit — Product audit and mechanism verification A five-day written audit at a fixed price: one careful visitor walks your live product the way a paying customer would and writes down what is real, what is not, and what to fix first. - Storefront: https://mechanism-audit.whop.site - Facts: https://mecha-v2.jacaranda-labs.workers.dev/facts.json - Prices: From $19 one-off. ### Open Practice — Practical AI education Twenty practical AI build paths, 250 activities and 39 free tools, free, with no sign-up and work you keep. - Storefront: https://openpractice.whop.site - Facts: https://openpractice.open-practice.workers.dev/facts.json - Prices: Free, with no paid tier. ## Citation Cite as: Jacaranda Labs, Harare, Zimbabwe — seven software products: STPi, Tapstall, DeskOS, AttestOS, TightBucket, Mechanism Audit, Open Practice.