Open-source tools — Many languages

17 match your filters — 17 of them answered our check today.

Watching this group for 20 days · how we check

This week8 new arrivals

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Developers3

LingoCord

Live

An open-source Discord extension that translates messages using your own translation API key, built privacy-first and developer-friendly. Really for technically comfortable users willing to set up their own API key.

Data stays with youOpen source
What to know▼
How it works
A Discord extension that translates messages using your own translation API key.
What's different
Open source and privacy-first — translation runs through your own API key rather than a shared third-party service.
Best for
Technically comfortable Discord users willing to set up their own translation API key.
Watch out
Requires bringing and configuring your own API key to work.

Watched for 14 days · last checked 2d ago

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Pandia

Live

Native desktop app for opening and editing multi-gigabyte JSON files instantly, for developers who hit size limits in browser-based JSON viewers.

FreeWorks offlineData stays with youOpen source
What to know▼
How it works
Opens huge files with no upload, shows JSON as Tree, Code, Grid, Graph, or Compare views, generates types for 9 languages.
What's different
Handles multi-gigabyte files offline where most JSON tools choke or require upload.
Pricing
Free
Watch out
Desktop-only (macOS, Windows, Linux).

Watched for 5 days · last checked today

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im-bot

Live

A messaging platform where AI agents are added like contacts and join group chats with humans, for teams who want multi-agent collaboration inside a shared chat thread instead of separate agent tools.

Open source
What to know▼
How it works
Add agents by invite code; persistent per-room agent sessions with full context; connect any LLM via an open-source connector.
What's different
In-chat model switching, file sharing, 8-language support built in.

Watched for 2 days · last checked 1d ago

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Gloss

Live

A hotkey tool that explains confusing technical instructions AI coding agents give you, like what an env file is and why you're being asked for it.

FreeOpen source
What to know▼
How it works
Highlight text, press a hotkey, get a plain-language explanation of what it means and what changes if you say yes or no.
Pricing
Free, open source.
Best for
Non-technical users following AI agent instructions they don't understand.

Watched for 4 days · last checked today

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BiliTV

Live

An open-source Bilibili client for LG TVs that runs entirely on-device with no external server, supporting 4K and bullet-comment overlays.

FreeWorks offlineOpen source
What to know▼
How it works
on-device Node.js service proxies the API/CDN directly on the TV
What's different
open source, MIT licensed, no PC or server needed
Pricing
free
Best for
LG webOS TV owners wanting Bilibili with danmaku and 4K support

Watched for 4 days · last checked today

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TokenLab MCP Server

Live

An open-source MCP server that lets AI agents compare model pricing and call multiple AI provider APIs (text, image, video, audio) directly.

Open source
What to know▼
How it works
Ships 31-77 tools covering text, image, video, audio, embeddings and translation APIs via MCP
Pricing
Open source
Best for
Developers building MCP agents that need to call multiple AI model APIs

Watched for 4 days · last checked 3d ago

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AllergyTJ

Live

A free, open-source pollen and air-quality tracker for 30 Tajikistan cities, combining a seasonal allergen calendar with live weather and satellite air data, delivered in Tajik, Russian and English.

FreeNo sign-upOpen sourceNo tracking
What to know▼
How it works
Tracks pollen risk and air quality across 30 Tajikistan cities using an inference-based model: a seasonal calendar for 9 allergen species, adjusted with live Open-Meteo weather and Copernicus CAMS satellite air-quality data, with a 5-day forecast and personal allergen profiles.
What's different
Free, open source, no sign-up or tracking, and available in Tajik, Russian and English with Telegram updates.
Pricing
Free.
Best for
People in Tajikistan managing seasonal allergies who want localized forecasts.
Watch out
Pollen risk is modeled/inferred from weather and satellite data, not measured directly.

Watched for 12 days · last checked 6d ago

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conversion.business

Live

Free, open-source starter templates for React, Vue and Svelte that replace CAPTCHAs with lightweight anti-bot mini-games, for developers who want protection without hurting UX.

FreeOpen source
What to know▼
How it works
Drop-in starter templates for React, Vue and Svelte that replace CAPTCHAs with interactive, zero-telemetry anti-bot mini-games.
What's different
Blocks bots without the usual CAPTCHA UX friction, and templates are free and open-source with no telemetry.
Pricing
Free and open-source.
Best for
Developers who want bot protection on a web project without hurting the user experience or paying for a CAPTCHA service.

Watched for 18 days · last checked today

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GameMaster

Live

A free, open-source macOS app that runs Windows games like Steam titles and CS2 on Apple Silicon without command-line hacks. Built for Mac gamers, not developers.

FreeOpen source
What to know▼
How it works
A macOS app that runs Windows games, including Steam titles and CS2, on Apple Silicon using Metal-accelerated Direct3D (DXMT and Apple's Game Porting Toolkit), with per-game bottles and automatic performance tuning.
What's different
Free and open-source, with one-click Steam install and no command line or hacks required.
Pricing
Free, open-source.
Best for
Mac gamers on Apple Silicon who want to play Windows games like CS2 without manual setup.

Watched for 13 days · last checked 2d ago

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Mispher

Live

An on-device dictation, rewriting, translation and local AI agent tool for Apple Silicon Macs - free and open-source (MIT), with no cloud, no accounts, and MCP support.

FreeWorks offlineOpen source
What to know▼
How it works
Runs on-device dictation, rewriting, and translation using multiple transcription models (Parakeet, CTC, Nemotron, Qwen3-ASR), plus a local agent that plans and calls tools like Apple Notes, clipboard, files, and MCP.
What's different
Fully local processing with no cloud and no accounts, and lets you swap or customize any underlying model or prompt.
Pricing
Free and open-source (MIT license).
Best for
Apple Silicon Mac users who want dictation and an AI agent without sending data to the cloud.
Watch out
Requires Apple Silicon and macOS 26; some listed models (Gemma 4, Qwen3.6, Ornith 1.0) are described as coming next, not yet available.

Watched for 17 days · last checked 11d ago

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SellCopy.ai

Live

Generates SEO-optimized product descriptions for Amazon, Shopify and Etsy listings in seconds, in six languages, built for online sellers. Free tier is capped at 3/day, no credit card needed.

FreeOpen source
What to know▼
How it works
Generates SEO-optimized product descriptions for Amazon, Shopify and Etsy listings in about 5 seconds, with platform-specific optimization and automatic keyword research, in six languages.
Pricing
Free tier: 3 generations per day, no credit card required. Open source.
Best for
Online sellers listing products across Amazon, Shopify and Etsy who want faster, SEO-ready copy.

Watched for 13 days · last checked 7d ago

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OpenSparrow

Live

Self-hosted admin panel framework for developers building internal CRMs/ERPs without npm or vendor lock-in.

Open sourceSelf-hosted
What to know▼
How it works
PHP 8.1+, PostgreSQL, vanilla JS, visual UI for tables/forms/dashboards
What's different
no npm, no Composer, no external libraries
Best for
teams building internal business apps who want full data ownership

Watched for 2 days · last checked 1d ago

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Ahmed Ali

Live

An open-source, offline-first restaurant POS system with AI reporting, HR, accounting, ordering, kitchen, and delivery features.

Works offlineOpen source
What to know▼
How it works
A restaurant POS system with AI reporting, labor and HR, accounting, ordering, kitchen, delivery, and inventory features, in 10 languages.
Pricing
Open-source.
Watch out
Offline-first.

Watched for 4 days · last checked 3d ago

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TypeLang

Live

A free, open-source macOS menu-bar app that translates whatever you're typing into natural, professional language and pastes it back at your cursor.

FreeNo sign-upOpen sourceNo subscription
What to know▼
How it works
Type in your own language, press a shortcut, and the fluent translation is auto-pasted; use your own API key (Claude, GPT, Gemini) or run fully local via LM Studio.
Pricing
Free and open source, no subscription.
Best for
People writing in a non-native language across any macOS app.

Watched for 11 days · last checked 8d ago

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Knocket

Live

A connections app centered on reaching someone with a single 'knock,' per its tagline 'One Knock. Every Connection' — the listing does not specify the mechanism beyond that.

FreeOpen sourceNo ads

Watched for 18 days · last checked today

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NexavoTools

Live

40 free in-browser tools (PDF compress, convert, OCR, SEO checks) that never upload files, open-source, in 6 languages.

FreeNo sign-upData stays with youOpen source
What to know▼
How it works
40 tools for compressing PDFs and images, converting files, OCR, and SEO checks, all running in the browser with no upload, handling files up to 1GB.
What's different
Open-source (AGPL) and available in 6 languages.
Pricing
Free, ad-supported.
Best for
People wanting private, no-signup file utilities.

Watched for 3 days · last checked 2d ago

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Browse Any

Live

Open-source discovery tool for exploring curated and hidden corners of the internet with one-click random browsing.

Domain registered 12 days ago

Open source
What to know▼
How it works
Offers 1-click random discovery, categories, smart history navigation, keyboard shortcuts, automatic timers, and built-in translation for exploring the internet.
What's different
Open source.

Watched for 9 days · last checked 6d ago

Details →