No moat. Still in business.

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Excel add-in for querying tables with SQL, scripting workbooks in C# and building custom Excel functions.

Since 2016

Free plan · Data and spreadsheets · Developers

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Watches web pages for changes and sends alerts or scraped data to Slack, Discord, Telegram or Google Sheets without code.

Since 2019

Free plan · Uptime and monitoring

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Mac app that opens a floating note on a shortcut so you can jot a thought, saved as a local markdown file.

Free · Notes and knowledge · Individuals and families

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Hosted RabbitMQ and LavinMQ message queues that are monitored and maintained for you on the major clouds.

Developer tools · Developers

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A password manager that stores your vault on your own devices and syncs them directly, with browser autofill.

Since 2023

Free · Security and passwords · Individuals and families

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Records which apps and websites you use on your computer or phone so you can see where your time goes, stored locally.

Free · Time tracking · Individuals and families

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WordPress plugin that sends site email through a proper SMTP provider and logs each message so you can see if it arrived.

Free · Transactional email

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A free desktop app for editing Hugo static websites on your own computer and publishing them through Git.

Since 2023

Free · Website builders · Creators and writers

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Send JSON events from your app with one request, then chart, query with SQL, set alerts and embed dashboards.

Since 2022

Free plan · Website analytics · Developers

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Keep track of your investments, net worth, spending and retirement plans in an open-source app that runs on your own devices.

Since 2024

Free plan · Money and budgeting · Individuals and families

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A task manager that lays out your whole week on a timeline, works offline, and can be self-hosted.

Free · Projects and tasks · Individuals and families

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Keeps a local record of your screen, audio and apps so AI tools can search your past work and spot tasks to automate.

Free plan · Automation and integrations

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Watches your sites, certificates, DNS records and scheduled tasks around the clock and tells your team as soon as something fails.

Since 2024Updated 4 months ago

Subscription · Uptime and monitoring · Developers

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Tracks domain renewals, SSL certificates and DNS records for many sites and alerts you before something lapses or breaks.

Since 2024

Subscription · Uptime and monitoring · Agencies

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Sends messages from your scripts, servers or webhooks straight to the Pocket Alert app on your iPhone or Android phone.

Since 2024

Free plan · Uptime and monitoring · Developers

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Time tracker that runs in the browser and keeps entries on your device, with optional encrypted sync, for freelancers and staff.

Since 2023

Free · Time tracking · Individuals and families

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Tracks machine learning experiments, metrics and model versions for ML teams, with an API compatible with Weights and Biases.

Free trial · Developer tools · Developers

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Mobile apps and a browser extension that store your passwords and two-step login codes on your own device, with no account.

Security and passwords · Individuals and families

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Message yourself notes, tasks and reminders in a chat-style app that works offline with optional encrypted sync.

Since 2024

Free · Notes and knowledge · Individuals and families

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Checks your websites, SSL, ports and cron jobs, confirms outages from other regions and runs status pages on your domain.

Since 2024

Free plan · Uptime and monitoring · Online sellers

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Keeps a local SQLite copy on each client in sync with your Postgres, MongoDB, MySQL or SQL Server backend for offline-first apps.

Since 2023

Free plan · Developer tools · Developers

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A cloud workspace for creating, running and sharing marimo Python and SQL notebooks for data work

Since 2024

Developer tools · Developers

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Note taking app in Markdown for Apple devices that stores each note as a plain file inside a folder of your choosing.

Free · Notes and knowledge · Individuals and families

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Spreadsheet that links to databases and files and lets AI write the formulas, Python and charts for you.

Since 2023

Data and spreadsheets

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Watches AI agents in production, groups recurring failures and alerts you so a coding agent can fix them.

Free plan · Uptime and monitoring · Developers

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A desktop app for sending and testing REST, GraphQL, gRPC and WebSocket requests, stored locally and synced through Git.

Since 2025

Subscription · Developer tools · Developers

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A Mac clipboard manager that stores your copy history on the device, sorts it by type and can search text in screenshots.

Free · Focus and productivity · Individuals and families

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A Mac app for writing and linking plain Markdown notes in your own folders, with boards, tables and optional AI help.

Since 2026

Free plan · Notes and knowledge · Individuals and families

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Mac app that records and transcribes meetings on your machine, labels speakers and passes the live text to your AI for notes.

Since 2026

Free trial · Notes and knowledge

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A notes app that auto-tags your notes, links related ideas, searches by meaning and writes summaries from them.

Since 2026

Free plan · Notes and knowledge · Individuals and families

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Fixes the mixed content and insecure content warnings a WordPress site shows after it moves to HTTPS.

Website builders

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Records each step of an AI agent's run so developers can spot slow calls, errors and token costs.

Since 2026

Free plan · Uptime and monitoring · Developers

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A private mood journal for iPhone and Mac that logs gratitude, sleep and screen time in a couple of minutes a day.

Since 2026

Health and habits · Individuals and families

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Falco based Kubernetes security tool that spots attacks inside your own cluster, sends no telemetry and is paid for once.

Since 2026

One-off payment · Security and passwords · Developers

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A day planner for iPhone that lays tasks on a visual timeline and keeps your plans on your device, with an optional Pro tier.

Free plan · Focus and productivity · Individuals and families

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Edit, annotate, redact, OCR and reorder PDF pages in your browser, with files kept on your own computer.

Since 2026

Documents and e-signature

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Lets developers record counters and revenue figures in their own database, then chart them and set alerts in a hosted dashboard.

Since 2026

Subscription · Developer tools · Developers

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A quick-starting desktop editor for plain Markdown files that you can also hand to coding agents for writing prompts.

Since 2026

Free plan · Notes and knowledge · Individuals and families

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A Mac menu bar app that keeps your clipboard history searchable by keyboard, with pinning and everything stored locally.

Since 2026

Free · Focus and productivity · Individuals and families

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Decrypts an Android WhatsApp backup on your Mac and saves it as a browsable archive file you keep forever.

Since 2026

One-off payment · Something else · Individuals and families

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A design editor that reads and saves Figma .fig files, works on your own computer and can be driven by scripts or AI agents.

Free · Design and images · Agencies

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Mac and Windows app that turns PDFs, Office files, scans and web pages into tidy Markdown or JSON without sending them anywhere.

Since 2026

One-off payment · Documents and e-signature · Individuals and families

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Watches MySQL, PHP-FPM, Varnish and NGINX servers in one dashboard with alerts, as a swap in replacement for NGINX Amplify.

Since 2026

Free plan · Uptime and monitoring · Developers

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Native Mac, iPad and iPhone app for Excalidraw sketches with a local file library, history, search and cloud folder sync.

Design and images

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Tracks materials, recipes, production runs, jobs and true costs for small workshops that outgrew spreadsheets.

Since 2026

Free · Inventory and stock · Manufacturing

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Transcribes meetings, calls and voice memos on your own machine into markdown files that your AI assistant can search.

Free · Notes and knowledge · Individuals and families

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A local dashboard and desktop app that counts tokens and cost across AI coding tools like Claude Code, Codex and Cursor.

Free · Developer tools · Developers

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A Mac library manager for big personal music collections, with crates and DJ modes, made for collectors, DJs and producers.

Since 2026

One-off payment · Video and audio · Individuals and families