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Babysitting Business Kit: free, private, in your browser
Free app for babysitters who run their own business: score and answer inquiries, quote and schedule sits without double-booking, track who has paid, set aside self-employment tax…
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Bid Price Engine — price any job at the margin you need
Free job bid calculator for contractors and service trades: labor with payroll burden, materials with waste, subs, contingency and overhead turned into a price at the profit…
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Canada Crypto ACB Calculator — free, private, in your browser
Free Canadian crypto capital gains calculator. Paste your buys, sales, swaps and staking income as a CSV and it works out the average adjusted cost base (ACB) of each coin…
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Cancel Flow — save-offer cancellation flow for Stripe, self-hosted
Keep subscribers who only needed a nudge. A cancellation flow for Stripe that asks why, offers a pause or a discount matched to the reason, and reports your save rate. Preview it…
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Changelog Keeper — changelog page, feeds and a What's new widget, self-hosted
Publish product updates on a public changelog page with Atom and JSON feeds and an embeddable What's new bell with an unread badge. Scheduled posts, drafts, Slack webhook. Open…
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Churn Radar — see who is about to cancel before they do
A free, open-source alternative to ChurnZero and Gainsight for small SaaS: learn from your own usage events which accounts are about to cancel, with an honest out-of-time accuracy…
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Cron Heartbeat — dead man's switch for cron jobs, self-hosted
Know when a cron job silently stops. Paste your crontab to get next runs, the right grace period and a wrapped line that pings a heartbeat monitor you can self-host with zero…
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Deal Keeper — which deals are really at risk, and what will actually close
A free, open-source alternative to the forecasting add-ons of Pipedrive, HubSpot and Clari for small B2B teams: win chances learned from your own closed deals, a backtested…
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Drip Keeper — self-hosted lifecycle email
A free, open-source alternative to Customer.io, Loops and Userlist: your app posts events, sequences send onboarding, trial and win-back email, and a goal event stops the rest…
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Dunning Engine — failed payment recovery for Stripe, self-hosted
Recover failed Stripe subscription payments with decline-code-aware retries and emails you control. Preview the recovery schedule for any decline code, then run the open-source…
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Error Keeper — know when your app breaks, on your own server
A free, open-source alternative to Sentry and Rollbar for small teams: groups the same bug together, alerts on new errors, regressions and spikes, one Node process and one JSON…
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Feedback Board — a Canny alternative you host yourself
Collect feature requests, let customers vote, catch duplicates as they type, publish a roadmap and a changelog with RSS. One small open-source server you run yourself. Free, MIT…
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Flag Keeper — self-hosted feature flags
A free, open-source alternative to LaunchDarkly, Flagsmith and Unleash: percentage rollouts that stay sticky, targeting rules, segments, prerequisites and a kill switch in one…
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Form Inbox — a Formspree alternative you host yourself
Point any HTML form at your own server: spam scoring with visible reasons, an inbox, CSV export and email or Slack notifications. Open source, MIT, no per-submission fee. Test the…
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Help Keeper — a help center that tells you what to write next
A help center you host yourself: Markdown articles, typo-tolerant ranked search, helpful votes and a report of what visitors searched for and could not find. Open source, MIT, no…
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License Keeper — license keys for Stripe sellers, self-hosted
Sell desktop apps, plugins and CLI tools with Stripe and issue signed license keys automatically. Generate a key pair, sign a test license and verify it right in your browser…
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Link Keeper — self-hosted link shortener with click stats
A free, open-source alternative to Bitly, Dub and Rebrandly: your own short domain, UTM-tagged campaign links, iOS/Android app routing, expiry, click limits and privacy-friendly…
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Meter Keeper — self-hosted usage metering for Stripe
A free, open-source alternative to Lago, Orb and Metronome for small SaaS: send usage events to your own server, get exact per-customer usage, tiered invoice previews, hard-limit…
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MRR Pulse — Stripe MRR and churn dashboard, self-hosted
See MRR, ARR, net revenue retention, logo churn and quick ratio from your Stripe subscriptions without paying a metrics service a share of your revenue. Paste a subscription…
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PQL Radar — find the free signups about to become customers
A free, open-source alternative to MadKudu and Pocus for small SaaS: learn from your own signups which first-week behaviour comes before paying, with an honest out-of-time…
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Referral Keeper — a self-hosted affiliate program for Stripe sellers
Run an affiliate or referral program on your own Stripe account: tracking link, recurring commissions, refund clawbacks, payout CSV. Plan what a program will cost you in your…
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Rev Rec — Stripe deferred revenue schedule, self-hosted
Turn Stripe invoices into a monthly revenue recognition schedule: billings, revenue recognised, deferred revenue and journal entries for your bookkeeper. Paste an invoice export…
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Self-Hosted SaaS Stack: Open-Source Alternatives to Calendly, Sentry, LaunchDarkly and Help Scout
28 open-source, self-hosted tools that replace the small-SaaS subscriptions a founder pays for: booking, help center, error tracking, feature flags, analytics, email, referrals…
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Sign Keeper — self-hosted e-signature with a verifiable certificate
Send a signing link, collect a typed signature with consent, and keep a certificate anyone can re-verify. A free, open-source, self-hosted alternative to per-envelope e-signature…
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Slot Keeper — a booking page you host yourself
A booking page you host yourself: weekly hours, buffers, notice, your calendar's busy time respected, time zones, calendar invites, reminders and cancel or reschedule links. Open…
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status-keeper — your own status page, free
A free, self-hosted status page with uptime monitoring, 90-day bars, incidents, maintenance windows and alerts. An open-source alternative to Statuspage, Instatus and Better…
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Support Agent — AI customer service that knows when to hand off
An open-source AI support agent you host yourself: it answers customers from your own help articles, cites them, offers articles when unsure and hands off to a person on refunds…
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Support Desk — a help desk you host yourself
A shared support inbox you host yourself: email and contact-form tickets, saved replies with suggestions, first-reply targets and a customer portal. Open source, MIT, no per-agent…
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Survey Keeper — an NPS survey that says why the score is what it is
Run surveys and Net Promoter Score on a server you own: NPS with a 95% range, the words detractors use, results by source, CSV export and an alert on every detractor. Open source…
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Testimonial Keeper — collect testimonials and show a wall of love, self-hosted
Collect customer testimonials with a link, approve the ones you want, and show them on your site with one script tag. Consent stored with every entry. Open source, MIT, one-click…
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Trial Converter — trial-to-paid conversion for Stripe, self-hosted
Turn more Stripe free trials into paying customers: card-on-file trials get an honest price-and-date heads-up, card-less trials get escalating add-a-card emails and an optional…
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visit-keeper — web analytics you own, free
Free, self-hosted, cookie-free web analytics: visitors, sources, UTM campaigns and goals with revenue by source. An open-source alternative to Plausible, Fathom and Simple…
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Waitlist Keeper — a self-hosted referral waitlist
A free, open-source alternative to Viral Loops and Prefinery: a launch waitlist where confirmed referrals move people up the line, with fraud guards and batch invites. Clean a…
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webhook-relay — keep webhooks safe while your app is down
Never lose a Stripe, GitHub or Shopify webhook because your app was down. Self-hosted relay that verifies signatures, saves events before answering, retries with backoff and…
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