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MarsCode
✓ verifiedFree
AI-powered IDE with code completion, generation, explanation and debugging, plus a cloud dev environment, for developers.
69K visits/mo
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PseudoEditor
✓ verifiedFreemium
Free browser-based pseudocode editor and compiler with exam-board syntax modes, aimed at computer science students and teachers.
57K visits/mo16K saves
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OnSpace.AI
✓ verifiedFreemium
No-code AI builder that turns prompts into full-stack iOS, Android and web apps with a managed backend and Stripe payments.
394K visits/mo54K saves
Pricing
No public pricing
No public pricing
Free: $0 (500 daily / 2,000 monthly credits)
Pro: $25/mo (up to 7,500 credits/mo)
Core features
- ✦AI code completion and snippet generation
- ✦Natural-language code generation
- ✦Code explanation and AI Q&A
- ✦Automated bug detection and fixes
- ✦Zero-config cloud development environment
- ✦Project creation from templates or Git
- ✦Syntax highlighting and error checking for pseudocode
- ✦Cloud-based project saving across devices
- ✦Built-in pseudocode compiler for instant execution
- ✦Toggleable syntax rules for AQA, OCR, CIE, Edexcel and IB
- ✦AI tutor and code-to-language converters (Pro tier)
- ✦Bulk institutional licensing for schools and universities
- ✦AI app builder for iOS, Android and web
- ✦Managed backend via Supabase (DB, auth, storage)
- ✦Built-in Stripe payment integration
- ✦Agent mode with usage-based pricing
- ✦Mobile creator app for building on the go
- ✦GitHub export and code editor
Use cases
- →Writing and completing code faster with AI
- →Onboarding to unfamiliar codebases
- →Debugging and optimizing code
- →Spinning up dev environments in the browser
- →Students learning programming logic before writing real code
- →Teachers grading pseudocode assignments to exam-board specs
- →Exam preparation for computer science courses
- →Converting pseudocode into Python, C++ and other languages
- →Building an MVP without coding
- →Launching mobile apps quickly
- →Prototyping app ideas
- →Adding payments to a no-code app
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