
SoloKit
Invoices, proposals & pricing calculator for freelancers
What it does
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.
Does the same job
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- A2A $20/year invoicing tool for solo developers (simple, fast, no bloat)Dec 2025 · sidepay.app · ▲13
Hi HN! I built a super lightweight invoicing platform for solo developers, freelancers, and one-person businesses. Most invoicing software costs $20–$40/month and is packed with features you don’t need. Mine is $20/year and focuses on the essentials: • Create invoices in seconds • Send invoices by email • Automatic email reminders • Recurring invoices • Simple dashboard for paid/unpaid tracking • No team features, no CRM, no bloat I built this because I freelance occasionally, and every invoicing tool I tried either felt bloated, overly enterprisey, or was way too expensive…

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