Source: https://seerepo.com/compare/debpalash/VoiceStudio/vs/Stirling-Tools/Stirling-PDF
Markdown source: https://seerepo.com/compare/debpalash/VoiceStudio/vs/Stirling-Tools/Stirling-PDF.md
Description: VoiceStudio and Stirling-PDF share 4 technologies: React, Vite, FastAPI, and PostHog. VoiceStudio is written in Python and Stirling-PDF in TypeScript. Side by side: stack, size, who writes it, activity and tests.

# VoiceStudio vs Stirling-PDF

VoiceStudio and Stirling-PDF share 4 technologies: React, Vite, FastAPI, and PostHog. VoiceStudio is written in Python and Stirling-PDF in TypeScript.

- [debpalash/VoiceStudio](https://seerepo.com/r/debpalash/VoiceStudio/built): VoiceStudio is the open-source, fully-local ElevenLabs alternative — voice cloning, voice design, video dubbing, dictation, transcription & audiobook creation in 646 languages.
- [Stirling-Tools/Stirling-PDF](https://seerepo.com/r/Stirling-Tools/Stirling-PDF/built): #1 PDF Application on GitHub that lets you edit PDFs on any device anywhere

## Side by side

| | VoiceStudio | Stirling-PDF |
|---|---|---|
| Stack | Python: React, Vite, Android, FastAPI, OpenAI, PostHog | TypeScript: React, Vite, FastAPI, Spring, Supabase, Postgres, Stripe, AWS S3, PostHog |
| Size | 633,139 lines written, 1,515 code files | 1,143,405 lines written, 4,342 code files |
| Who writes it | 31% of its commits signed by AI. With Claude Code, Codex, Cursor, GitHub Copilot, and CodeRabbit | 2.1% of its commits signed by AI. With GitHub Copilot, Claude Code, and Codex |
| Activity | Last push October 27, 2026, 4,085 commits, 90,470 stars | Last push October 27, 2026, 5,679 commits, 95,111 stars |
| Tests | 1,816 test files. 67.5% of its code files have a test that imports them | 2,064 test files. 48.8% of its code files have a test that imports them |

## What they share and what sets them apart

- In common: React, Vite, FastAPI, PostHog
- Only in VoiceStudio: Android, OpenAI
- Only in Stirling-PDF: Spring, Supabase, Postgres, Stripe, AWS S3

## Sources

- debpalash/VoiceStudio: Read on October 27, 2026, at commit 18cd8c3 (https://github.com/debpalash/VoiceStudio/tree/18cd8c385a43d3bf0d395430a1256683275d34a8)
- Stirling-Tools/Stirling-PDF: Read on October 27, 2026, at commit cd48ccb (https://github.com/Stirling-Tools/Stirling-PDF/tree/cd48ccb288f66ff884cbb084bf101b875ed7ded7)