No moat. Still in business.

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Desktop and web client for querying and editing SQL and NoSQL databases such as PostgreSQL, MySQL and MongoDB.

Since 2021

Free · Developer tools · Developers

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Turns a Postgres or MySQL database, or a new one, into a shared spreadsheet with kanban, form and gallery views.

Since 2021

Free plan · Data and spreadsheets

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CAPTCHA and bot blocking that stops scrapers, fake signups and account takeover on forms, APIs and full sites, explaining each block.

Free plan · Security and passwords

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Open-source error tracker that ranks frontend bugs from errors and session replays and opens fix pull requests on GitHub.

Since 2024

Uptime and monitoring · Developers

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A self-hosted CMS in one Go binary with built-in SEO, forms, AI crawler analytics and a WordPress importer.

Since 2026

Website builders

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Self-hosted docs and wiki software with templates, approval steps and read analytics for company know-how.

Free plan · Notes and knowledge

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Website chat widget that sends visitor messages to Telegram, Slack or Discord so small teams can answer from their phones.

Since 2026

Free plan · Customer support

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Dashboard for email sent through Amazon SES showing bounces, deliveries, complaints, opens and clicks, run yourself or hosted.

Free · Transactional email · Developers

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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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Self-hostable platform for deploying apps and databases across your own servers, with backups and user roles.

Free trial · Developer tools · Developers

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A browser database editor you deploy next to your databases so a team can query Postgres, MySQL, MongoDB and more.

Free · Developer tools · Developers

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Runs and manages databases on Kubernetes, covering provisioning, scaling, backups and upgrades for platform teams.

Developer tools · Developers

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Entity relationship diagram tool for exploring, documenting and linting large database schemas, made for developers and data teams.

Free plan · Developer tools · Developers

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Lets non-technical staff view, edit and query Postgres tables in a spreadsheet-style screen, using the database's own permissions.

Free · Data and spreadsheets

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Keeps the results of chosen SQL queries updated incrementally as your Postgres, MySQL or SQL Server data changes.

Since 2024

Free trial · Developer tools · Developers

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Open-source AI analyst for data teams that links any LLM to company data and answers questions in a web app or Slack.

Since 2025

Data and spreadsheets

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Free tool to explore and query databases, S3 and files, then copy or continuously sync data, running on your own server or in Docker.

Since 2026

Free plan · Developer tools · Developers

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A self-hosted wiki for engineering teams where pages embed live Prometheus and SQL charts and edits are reviewed like pull requests.

Since 2026

Free · Developer tools · Developers

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Uptime checks for sites, APIs, databases and queues you run on your own server, with alerts and public status pages.

Free · Uptime and monitoring · Developers

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A self-hosted gateway that gives teams logged, single sign-on access to SSH, databases, Kubernetes and remote desktops.

Since 2026

Free · Security and passwords · Developers

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Headless CMS that stores structured content once and serves it to sites and apps through REST and GraphQL.

Free plan · Website builders · Agencies

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A self-hostable agent that watches Postgres and MySQL databases, suggests indexes and fixes slow queries, and builds BI dashboards.

Since 2026

Free plan · Developer tools · Developers

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Proxy that sits in front of PostgreSQL to pool connections, spread reads across replicas and shard data.

Developer tools · Developers

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Review schema changes, approve data fixes and control who can query production databases across 20+ engines.

Subscription · Developer tools · Developers

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Visual editor for database schemas that writes SQL migrations and keeps a history of schema changes.

Developer tools · Developers

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A control panel for your own server that deploys apps from Git, runs databases and handles SSL and backups.

Developer tools · Agencies

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Self-hosted platform that deploys apps and databases from Git onto your own servers, with HTTPS, logs, backups and monitoring.

Since 2025

Developer tools · Developers

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A hosted Postgres database you view and edit like a spreadsheet, so non-technical teams can manage linked records.

Since 2026

Free plan · Data and spreadsheets

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Open-source wiki software you host yourself so a team can write and share its internal documentation.

Free · Notes and knowledge

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A backend for map and location apps: import spatial files into PostGIS and get SQL, realtime and OGC APIs, hosted or self-run.

Since 2025

Developer tools · Developers

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Self-hosted platform that deploys Docker apps from Git with domains, SSL and databases for small dev teams.

Since 2026

Free · Developer tools · Developers

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Draw database tables and relationships in the browser and export SQL for Postgres, MySQL, SQLite and others.

Since 2024

Free · Developer tools · Developers

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Lightweight self-hosted platform for deploying apps from git or Docker onto your own servers, with domains and SSL handled.

Since 2024

Free · Developer tools · Developers

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Streams every change in a Postgres database to Kafka, Redis, queues, search indexes or webhooks, in order and without loss.

Developer tools · Developers

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Open-source observability that gathers metrics, logs and traces with eBPF and points DevOps teams to the root cause of outages.

Since 2024

Uptime and monitoring · Developers

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Pulls company data from hundreds of sources into one warehouse so teams can build dashboards and ask questions in plain English.

Since 2023

Data and spreadsheets