Looking for a free or open-source alternative to ChartMogul / Baremetrics? Clientdesk is the closest direct swap — MIT-licensed source on GitHub, or a $39 one-time packaged install. Since you're already auditing what you pay ChartMogul / Baremetrics every month, here are four more pay-once tools from the same catalog worth a look while you're at it — different jobs, same idea: buy the software once instead of renting it forever.
1. Clientdesk — replaces ChartMogul / Baremetrics
MRR, ARR, churn and LTV plus branded customer portals, computed from your Stripe webhooks. $39 once vs ChartMogul / Baremetrics's $50-100+/mo. Free on GitHub, or the packaged installer on Whop.
See Clientdesk → · Source on GitHub
2. Pulsecheck — One-question surveys by link, email or widget with instant detractor alerts, self-hosted.
Replaces Delighted ($224+/mo). $29 once. See Pulsecheck →
3. Billoop — Plans, coupons, real proration, dunning and an MRR dashboard on your own Stripe account.
Replaces Chargebee ($599+/mo). $49 once. See Billoop →
4. Askback — SMS and email review requests with smart routing, on your own Twilio and SMTP.
Replaces Podium ($289+/mo). $34 once. See Askback →
5. Citewatch — Self-hosted citation tracker that diffs your listings against one canonical NAP.
Replaces BrightLocal ($39-59/mo). $34 once. See Citewatch →
Why this list is worth bookmarking
Every app above is a one-time purchase with MIT-licensed source, no accounts with us and no telemetry. None of them are trying to be the next ChartMogul / Baremetrics — they're trying to be the last subscription you pay for that specific job.
Try Clientdesk — $39, once
MRR, ARR, churn and LTV plus branded customer portals, computed from your Stripe webhooks.