Open-source tools — Works with LinkedIn

5 match your filters — 4 of them answered our check today.

Watching this group for 20 days · how we check

This weekno new arrivals

Narrow it down

Developers2Marketers3

GemType

Live

Checks grammar and rewrites text right inside Gmail, LinkedIn, X and Reddit, using a Gemini API key you provide yourself, free and open source, no subscription.

FreeNo sign-upOpen sourceNo subscription
What to know▼
How it works
Checks grammar and rewrites text inline on any website — Gmail, LinkedIn, X, Reddit — using your own free Google Gemini API key.
What's different
Free and open source, and runs on a Gemini key you supply yourself instead of a paid subscription.
Pricing
Free, no account or subscription.
Best for
People who want a Grammarly-style writing checker without paying for a subscription or handing over data to a third-party service.

Watched for 13 days · last checked 7d ago

Details →

ChatterSift

Live

Monitors Reddit, Hacker News, LinkedIn and other communities for mentions of your brand, product or competitors from one dashboard. Built for founders, marketers and support teams doing social listening.

Open sourceSelf-hosted
What to know▼
How it works
An open-source social listening tool that lets you set custom keyword filters and surfaces relevant posts and comments in real time from Reddit, Hacker News, LinkedIn and other communities in a single dashboard, covering brand, product and competitor mentions.
What's different
Built on an open-source model rather than a closed enterprise platform.
Best for
Founders, marketers and support teams who want to monitor brand mentions, catch product feedback, or find buying-intent discussions across multiple communities from one place.

Watched for 18 days · last checked 11d ago

Details →

OpenReply - Your Social Media Copilot

Live

An open-source AI agent that scans Reddit, X, LinkedIn and other sites for buying-intent signals, then drafts replies in your voice, built for lead generation, not developer tasks.

Open source
What to know▼
How it works
Scans Reddit, X, LinkedIn, Hacker News, Google News, blogs, forums, and research papers for people showing buying intent or discussing relevant pain points, then drafts posts and replies in your voice so you can join the conversation early.
What's different
Open-source and self-learning, aimed at building trust and leads through genuine-sounding replies rather than spammy outreach.
Best for
Marketers and developers doing lead generation who want to find and engage buying-intent conversations across many platforms.

Watched for 15 days · last checked 9d ago

Details →

letmepost.dev

Live

An open-source API for programmatically posting to Bluesky, X, Pinterest (and soon Meta and LinkedIn) in one call, with a native MCP server for Claude and Cursor. Built for developers and AI agents automating social posting.

Domain registered 3 months ago

Open source
What to know▼
How it works
A single API call publishes a post to Bluesky, X, and Pinterest, with Meta and LinkedIn in review; it runs preflight checks against roughly 80 platform-specific rules before posting and includes a native MCP server for Claude, Cursor, and Claude Code.
What's different
Open source (Apache 2.0), with pinned API versions, default idempotency, and transparent error envelopes.
Best for
Developers and AI agents that need to automate posting to multiple social platforms from code.

Watched for 13 days · last checked 10d ago

Details →

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

Details →