No moat. Still in business.
Software directory for those who don’t want to rebuild, own the updates, the bugs, the support.
- QueryStorm
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
- Open eClass
A free e-learning platform from Greece's GUnet for schools and universities to run online courses and exercises.
Free · Courses and learning · Schools and tutors
- molab
A cloud workspace for creating, running and sharing marimo Python and SQL notebooks for data work
Since 2024
Developer tools · Developers
- SSL Insecure Content Fixer
Fixes the mixed content and insecure content warnings a WordPress site shows after it moves to HTTPS.
Website builders
- Quincy
A Mac PDF reader for studying hard documents: ask questions about the page, get summaries and quizzes, and have passages read aloud.
Since 2026
Notes and knowledge · Individuals and families
- Auto-Install Free SSL
Gets and renews free Let's Encrypt SSL certificates on cPanel shared hosting without command line work.
Free plan · Security and passwords
- LifterLMS
WordPress plugin for building, selling and running online courses and memberships on your own site.
Free plan · Communities and memberships · Creators and writers
- Blockd
Build onboarding for new hires from checklists, quizzes and videos, then track each person through to the end.
Since 2026
Payroll and HR
- Memozora
Flashcard maker that schedules reviews by spaced repetition, with dictionaries and text to speech for language learners.
Since 2024
Free plan · Courses and learning · Individuals and families
- Quadratic
Spreadsheet that links to databases and files and lets AI write the formulas, Python and charts for you.
Since 2023
Data and spreadsheets
- Tutor LMS
WordPress plugin that lets course creators, schools and coaches build lessons, quizzes and certificates, and sell access.
Free plan · Courses and learning · Agencies
- ManiDesk
A web workspace where analysts write SQL over market prices, macro series and SEC filings, then chart the results without Python.
Since 2026
Subscription · Data and spreadsheets
- PressPrimer
WordPress plugins that give course sites proper quizzes, graded assignments and checkable certificates, free to start.
Free plan · Courses and learning · Creators and writers
- redirs
Point any domain at any URL with automatic HTTPS, path rules and hit analytics, no server to run.
Free plan · Website builders
- DollarDeploy
Deploys apps from a GitHub repo onto a server in your own cloud account, with HTTPS and redeploys on each push.
Since 2026
Free plan · Developer tools · Developers
- Masteriyo
WordPress plugin for creating, selling and running online courses with quizzes and certificates.
Free plan · Courses and learning · Creators and writers
- MasterStudy LMS
WordPress plugin for building, running and selling online courses with quizzes, assignments and certificates.
Courses and learning · Creators and writers
- NeuraPrep
Practice questions, coding tasks, quizzes and system design for AI and data job interviews, with AI feedback on your answers.
Since 2025
Subscription · Courses and learning · Individuals and families
- QST
Self-hosted testing platform for schools, trainers and certifiers, with question banks, gradebook and proctored exams.
Free · Courses and learning · Schools and tutors
- H5P
Create interactive videos, quizzes and presentations in the browser and embed them in WordPress, Drupal or an LMS.
Free plan · Courses and learning · Schools and tutors
- Appliku
Sets up and manages your own cloud server to deploy Django apps, with a dashboard, CLI and API.
Since 2021
Free plan · Developer tools · Developers
- ExamAI
Turns uploaded notes and slides into practice quizzes with daily recall and review so students are ready for exam day.
Since 2025
Free plan · Courses and learning · Individuals and families