Open-source tools — Runs on Linux

21 match your filters — 21 of them answered our check today.

Watching this group for 20 days · how we check

This week10 new arrivals

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HoneyWire

Live

An open-source deception (honeypot) platform for security teams; the listing gives little detail beyond that positioning.

Domain registered 1 month ago

FreeOpen source

What to know▼

How it works: An open-source deception (honeypot) platform for security teams.
Best for: Security teams and developers who want an open-source deception/honeypot tool.

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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PGP Manager

Live

Lets people encrypt files with PGP without a GnuPG install instead of using command-line-only tools.

Works offlineOpen sourceNo tracking

What to know▼

What's different: compatible with GPG, Kleopatra, and Thunderbird
Pricing: free, MIT license

Watched for 1 day · last checked 1d ago

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An open-source, template-based design tool for building App Store and Play Store screenshots, feature graphics, and preview videos entirely in your browser or desktop app, with no account or upload required.

Domain registered 13 days ago

FreeNo sign-upData stays with youOpen source

What to know▼

How it works: pick a template, drop in your app screens, and export every required store size, including MP4 previews
What's different: an optional AI agent can build the whole listing from raw screenshots
Best for: app developers and designers preparing store listings

Watched for 7 days · last checked 6d ago

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NATS Studio : The desktop GUI for NATS

Live

A native, open-source desktop GUI for managing NATS messaging — connecting, publishing and subscribing, and managing JetStream, Key-Value, and Object Store — for developers on Windows, macOS, or Linux.

Open source

What to know▼

How it works: Cross-platform native desktop app for connecting to NATS servers and managing JetStream, Key-Value, and Object Store.

Watched for 7 days · last checked 5d ago

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Yerd

Live

An open-source, Docker-free local PHP environment for macOS and Linux — automatic HTTPS, per-site PHP versions, zero-config sites. A direct alternative to Laravel Herd for developers.

Open sourceNo subscription

What to know▼

How it works: A local PHP development environment: park a folder and every project inside becomes instantly live at .test; issues per-site HTTPS certificates automatically; installs multiple PHP versions side by side, pinned per site; runs MySQL, MariaDB, PostgreSQL, Redis and an SMTP catcher as native processes supervised by one daemon; streams Laravel dump()/dd(), queries, jobs and requests to a dedicated window.
What's different: Open-source, rootless and Docker-free — a direct alternative to Laravel Herd, MIT licensed with every feature included.
Pricing: Open-source, no subscription.
Best for: macOS and Linux developers running local PHP/Laravel projects who want to avoid Docker.

Watched for 18 days · last checked 2d ago

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Vellium

Live

A free, open-source desktop app for AI character chat, roleplay and long-form writing, where your data stays in a local database even with a cloud AI backend.

FreeWorks offlineOpen source

What to know▼

How it works: A desktop AI workspace for character chat, multi-character roleplay, and long-form writing with RAG, LoreBooks, and MCP tools and plugins; you bring your own backend, such as OpenAI-compatible APIs, OpenRouter, LM Studio, Ollama, or KoboldCpp, while chats, characters, projects, and knowledge are stored in a local SQLite database.
What's different: Keeps your data in a local database even when you connect a cloud AI backend, and is free and open source.
Pricing: Free and open source.
Best for: Writers and roleplayers who want to choose their own AI backend while keeping their data local. Native builds are available for macOS, Windows, and Linux.

Watched for 14 days · last checked 2d ago

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Ortu

Live

A cross-platform clipboard manager with full history, search and secret masking for anyone who copy-pastes constantly - handy for developers managing API keys, but useful for any heavy copy-paste workflow.

No sign-upWorks offlineOpen source

What to know▼

How it works: Remembers everything you copy - text, images, files - across macOS, Windows and Linux, with full-text search, a paste stack, secret masking with encryption, and smart auto-grouping.
What's different: Runs 100% locally with no account, and is open source.
Pricing: Not stated beyond being open source.
Best for: Developers and anyone who copy-pastes constantly, including people managing API keys via clipboard.

Watched for 16 days · last checked 10d ago

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LMIM OS V3.0 "XIPE"

Live

A local-first AI platform bundling chat, a coding agent, a terminal and uncensored open models, with no cloud or accounts. For technical users, not really a mobile app despite the Android companion.

No sign-upWorks offlineOpen sourceNo subscription

What to know▼

How it works: A local-first AI platform bundling end-to-end encrypted P2P chat, a bare-metal terminal with real PTY shell access, autonomous coding agents, hybrid RAG, and bundled uncensored Qwen/Gemma models, with a native Android companion app for LAN discovery.
What's different: Runs fully offline with no cloud, accounts, or subscriptions, and ships uncensored model variants with no filters.
Pricing: Open-source (AGPL-3.0).
Best for: Technical users on Linux or Windows who want a self-hosted AI toolkit with no cloud dependency.
Watch out: Ships uncensored models with zero filters — outputs are not moderated.

Watched for 18 days · last checked 2d ago

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RDB

Live

A free open-source desktop client for editing multiple database engines, instead of separate GUI tools per database.

FreeOpen source

What to know▼

How it works: One native Rust binary for macOS, Windows, and Linux supporting six database engines.
Best for: Developers who work across multiple database types.

Watched for 2 days · last checked 1d ago

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AB Download Manager

Live

A free open-source download manager for Windows, Linux, Mac and Android with multi-threaded downloads and browser integration.

Domain registered 2 years ago

FreeOpen source

What to know▼

How it works: Splits downloads into threads for faster speeds, queues and schedules them
Pricing: Free, open source

Watched for 6 days · last checked 5d ago

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ScienceX

Live

An open-source, self-hostable desktop workbench for scientific research that logs experiment data, agent sessions, and provenance locally.

Works offlineOpen sourceSelf-hosted

What to know▼

How it works: Local-first desktop app for macOS/Windows/Linux storing experiment runs and provenance
What's different: Self-hosted alternative to Claude Science, extensible via Skills and MCP
Pricing: Open source
Best for: Researchers wanting to keep experiment data and computation local

Watched for 6 days · last checked 5d ago

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VPN Hizb

Live

A free, open-source Linux VPN client that connects to public VPN Gate servers.

FreeOpen source

What to know▼

How it works: Connects to public VPN servers pulled from the VPN Gate API
Pricing: Free, open source
Best for: Linux users wanting a free VPN client without a paid provider

Watched for 6 days · last checked 5d ago

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Reqad

Live

A free, open-source, self-hosted hosting control panel for Rocky Linux, AlmaLinux, and RHEL that manages email, WordPress, PHP versions, SSL, and DNS, as an alternative to cPanel or Plesk.

FreeOpen sourceSelf-hosted

What to know▼

How it works: Manages email (exim/dovecot/Roundcube/SpamAssassin), WordPress, multiple PHP versions, SSL, and DNS on Rocky Linux, AlmaLinux, or RHEL 8/9.
Best for: Server admins migrating away from cPanel or Plesk who want a free, self-hosted control panel.

Watched for 11 days · last checked 8d ago

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Quantum-Lattice

Live

An open-source Layer 1 blockchain signed with post-quantum ML-DSA-65 cryptography, with a non-custodial browser wallet and mining clients for Linux and Windows, instead of the quantum-vulnerable signatures used by Bitcoin and Ethereum.

Open source

What to know▼

How it works: Uses NIST FIPS 204 ML-DSA-65 signatures throughout, with proof-of-work mining, a WASM browser wallet with client-side signing, and a public explorer.
What's different: Publishes a Security & Transparency page with reproducible cryptographic test vectors.
Pricing: Open source, Apache 2.0 licensed.

Watched for 13 days · last checked 9d ago

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RemotePower

Live

An open-source, self-hosted tool for managing a fleet of Linux servers; the listing has almost no public detail beyond that it targets technical/IT users.

Open sourceSelf-hosted

What to know▼

How it works: An open-source, self-hosted tool for managing a fleet of Linux servers remotely.
What's different: Self-hosted and open-source, giving teams full control over their own fleet-management infrastructure.
Best for: Technical/IT users who want to self-host Linux fleet management rather than rely on a hosted service.

Watched for 15 days · last checked 9d ago

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LAN Orangutan

Live

A lightweight network scanner with persistent device labeling and Tailscale integration.

Domain registered 5 days ago

FreeNothing to installOpen sourceSelf-hosted

What to know▼

How it works: A lightweight network scanner with persistent device labeling and Tailscale integration.

Watched for 4 days · last checked 3d ago

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Atelier

Live

An open-source desktop AI app that works inside document editing, mail merge, and receipt reading, running fully locally on Mac and Linux.

Domain registered 1 month ago

Works offlineOpen source

What to know▼

How it works: Brings AI into everyday tools like document editing, mail merge, and receipt reading, running fully locally so files never leave your machine.
What's different: Open source (AGPL-3.0), fully forkable, built with Tauri, Rust, React, and SQLite.
Watch out: Runs on Mac and Linux only.

Watched for 10 days · last checked 4d ago

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fluxcast-domains

Live

Free GitOps-based service for claiming a personal *.fluxcast.dev subdomain via pull request.

FreeOpen sourceSelf-hosted

What to know▼

How it works: Get a free *.fluxcast.dev subdomain by forking the repo, adding one JSON file, and opening a pull request; automated validation and merge make DNS live in minutes.
What's different: Fully GitOps, Python-powered, Cloudflare backend with strict validation.
Pricing: Free forever.
Best for: Developers wanting a quick personal or project subdomain.

Watched for 3 days · last checked 1d ago

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PrimeClaws VPS

Live

Managed cloud hosting to deploy autonomous AI agents (like OpenClaw) in under 60 seconds, with several frontier models included free.

Domain registered 4 months ago

FreeNothing to installOpen source

What to know▼

How it works: Deploys autonomous AI agents like OpenClaw or Hermes to managed cloud hosting in under 60 seconds, connecting to Telegram, WhatsApp, Slack, Discord, Signal, and iMessage; includes a browser-based terminal.
What's different: Handles container security, auto-updates, monitoring, and crash recovery instead of a raw Linux VPS.
Pricing: Frontier models (GPT-5.4, GPT-5.3, Mistral Large 3, Kimi K2.5, Deepseek V3.2) included free for a limited time; plans start at $2.99/month.

Watched for 9 days · last checked 1d ago

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HardwareMon

Live

Cross-platform hardware monitoring with real-time stats, history and benchmarking for Windows, Linux, macOS and Android, with all data processed locally and no telemetry upload.

Works offlineOpen source

What to know▼

How it works: Monitors CPU, GPU, memory, disk and network in real time, with historical analytics, process management, local benchmarking, and gaming session detection, across Windows, Linux, macOS (Apple Silicon), and Android.
What's different: All monitoring data is processed on-device with local SQLite storage; no telemetry or benchmark results are uploaded.
Best for: Users who want cross-platform hardware monitoring without sending data to the cloud.

Watched for 12 days · last checked 2d ago

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