SoloKit

SoloKit とは？

Stop Googling "invoice template" at 11pm. SoloKit packs 3 invoices + proposal + pricing calculator + client checklist into 6 lightweight HTML files. Open in any browser, edit, Print → PDF. No SaaS, no subscriptions, no accounts. Unlike bloated apps: works offline, zero loading, truly one-time $7 payment. The calculator gives your real minimum rate. The checklist includes red-flag client warnings.