Open-source tools — Works with Instagram

3 match your filters — 2 of them answered our check today.

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FREE AI Auto Subtitle Caption Generator

Live

A free, open-source Windows app that auto-generates styled subtitles for your videos using offline Whisper or the cloud Groq API — aimed at YouTube Shorts, TikTok and Reels creators, not developers.

FreeWorks offlineOpen sourceCan export my data
What to know▼
How it works
A Windows desktop app that automatically transcribes videos into word-level subtitles using either offline OpenAI Whisper or the cloud-based Groq API, then burns captions into the video or exports as SRT/VTT.
What's different
Free and open-source, with styling presets built for YouTube Shorts, TikTok, and Instagram Reels formats.
Pricing
Free.
Best for
YouTube Shorts, TikTok, and Instagram Reels creators who need styled captions on their videos.
Watch out
Windows-only desktop app; cloud transcription option (Groq) requires sending video data off-device, unlike the offline Whisper option.

Watched for 17 days · last checked 2d ago

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Grid Maker

Live

A free, open-source grid tool for artists — perspective grids, composition overlays, an art projector, paint-by-number and an Instagram grid splitter — kept free where other tools paywall them.

FreeNo sign-upOpen source
What to know▼
How it works
A free, open-source grid tool for artists offering 9 grid types, including an Art Projector, Paint by Number, and an Instagram Grid Splitter.
What's different
Keeps perspective grids, composition overlays and diagonal lines free, where competitors paywall them.
Pricing
Free, MIT licensed.
Best for
Artists who want grid tools without paying for features other apps lock behind a paywall.

Watched for 15 days · last checked 2d ago

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Multi-Agent Content Engine

An open-source, bring-your-own-key multi-agent tool that turns a topic into X, LinkedIn, and Instagram social campaigns.

FreeOpen source
What to know▼
How it works
Uses CrewAI and Gemini 3.1 Flash-Lite to run a sequential pipeline of agents — a Researcher extracting insights and personas, a Copywriter structuring X threads/LinkedIn posts/IG captions, and an Editor polishing flow.
What's different
Open-source and bring-your-own-key, built with Streamlit.
Pricing
Free if you paste your own Gemini API key.
Best for
Marketers and teams turning a topic into social campaigns.

Watched for 13 days · last checked 7d ago

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