PostgreSQL Exercises
pgexercises.comSQL questions and explanations using one consistent dataset
SQL questions and explanations using one consistent dataset
Connect, transform and store business data before sharing dashboards and reports.
Run a self-managed MySQL-compatible server with Percona's added database features.
AI spreadsheet that connects to databases and apps, answers questions in plain English, and builds charts and models.
An interactive browser notebook for mixing executable code, narrative, and rich results in one computational document.
A cross-platform calendar that combines weekly planning, meeting notes, and tasks.
Daily and project notes connected to tasks, Apple Calendar, and Reminders.
Turn Markdown content and Tera templates into a static website with a single CLI.
A GitHub-backed technical documentation platform that builds and deploys MDX docs sites.
Turn Markdown, Liquid templates, and data files into a static website with a Ruby-based generator.
Organize self-hosted documentation in a hierarchy of books, chapters, and pages.
A local-first macOS outliner that combines linked notes, tasks, calendar views, and deep-work tools.
Run a self-hosted team wiki with nested pages, databases, permission-aware search, and exportable Markdown.
Arrange notes and long-form writing in nested books that can grow into projects.
Highlight code with TextMate grammars and themes in a JavaScript rendering pipeline.
Publish Word, FrameMaker, DITA, or Markdown++ sources to help and document formats from one project.
Ask a live database or spreadsheet questions in plain English and turn the answers into dashboards, reports and alerts.
Web data API to search, scrape and interact with the web for AI agents
AI chat interface for complex prompts and tasks
AI notetaker that captures meetings and sends enriched transcripts to AI tools.
An AI spreadsheet that connects to your data and writes formulas, Python and SQL.
Generate PostgreSQL migration scripts from Oracle and MySQL
A free prompt library with folders, tags, variables and version history.