Tools that work offline, on your own device — Runs on Linux

28 match your filters — 25 of them answered our check today.

Watching this group for 20 days · how we check

This week8 new arrivals

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Developers2 Students2 Investors & traders2

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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TradeHelp

Live

A local-first trading journal with an offline AI coach that reviews your trades and notes to flag costly habits, for traders who don't want their data on someone else's server.

No sign-upWorks offlineNo tracking

What to know▼

How it works: stores trades and notes in a single local file; AI coach runs against a local model (Ollama, LM Studio)
What's different: open source so the no-cloud claim is verifiable, plus a 'Leak Finder' that prices out bad habits
Best for: prop-firm traders needing drawdown and payout tracking

Watched for 5 days · last checked today

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Patterns

Live

Private OCD/ERP tracker across desktop and mobile that logs obsessions, compulsions, triggers and exposure practice with no cloud sync.

Domain registered 20 days ago

No sign-upWorks offlineData stays with youNo ads

What to know▼

How it works: Tracks obsessions, compulsions, mood and exposure exercises across iOS/Android/desktop
What's different: No accounts, no cloud sync — data stays on-device
Best for: People doing ERP therapy who want a private tracking journal

Watched for 6 days · last checked today

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AptiStockX

Live

A local-first desktop stock charting app for Windows, macOS, and Linux that keeps your data, watchlists, and credentials on your machine.

Domain registered 21 years ago

Works offline

What to know▼

How it works: Native charting app storing charts, watchlists, and provider credentials locally
Best for: Traders who want charting data kept off the cloud

Watched for 5 days · last checked today

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Kleervox

Live

AI Noise Cancellation for your meetings and calls.

Domain registered 1 month ago

Works offline

What to know▼

How it works: A real-time, on-device noise and echo cancellation app for Windows and Linux that creates a clean virtual microphone for apps like Zoom, Google Meet, Teams, and Discord.
What's different: Audio is processed entirely on-device and never uploaded.
Pricing: Free to start, no sign-in required.
Best for: People who want background noise removed from calls without sending audio to the cloud.

Watched for 9 days · last checked 3d ago

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Tilores Studio desktop entity resolution

Live

A desktop entity-resolution tool that matches and deduplicates records in a CSV locally on your machine, free up to 100k records, with an MCP server for AI coding assistants.

FreeNo sign-upWorks offline

What to know▼

How it works: Loads a CSV and resolves duplicate records live using the same real-time matching engine as Tilores' cloud product, running entirely on your machine; a local MCP server also lets Claude Code, Codex and other AI assistants search, import and steer it against your data.
What's different: Skips the usual enterprise entity-resolution sales process (demo, contract) — nothing leaves your laptop, and it's free up to 100k records.
Pricing: Free up to 100,000 records.
Best for: Teams who want to deduplicate and match records locally, including via AI coding assistants, without a cloud enterprise contract.

Watched for 10 days · last checked 4d ago

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Melia

Live

A native Linux desktop email client that connects straight to your IMAP/SMTP mail servers with no cloud relay, middleman account or telemetry, as an alternative to Thunderbird or Evolution.

FreeWorks offlineData stays with youPay once

What to know▼

How it works: A native Linux desktop email client that connects directly to your mail servers over IMAP and SMTP, storing everything locally in a SQLite database and syncing credentials through the OS keyring so it works fully offline.
What's different: No cloud relay, middleman account, or telemetry — mail stays on your own machine, unlike hosted alternatives.
Pricing: Free for one account with full functionality; a one-time $10 unlock removes the account cap.
Best for: Linux desktop users looking for a native alternative to Thunderbird, Evolution, Geary or Mailspring.

Watched for 18 days · last checked today

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FastCompressor

Live

Compresses images and video (JPG, PNG, TIFF, MP4, GIF) entirely on your device with no upload to a server — for Mac, Windows and Linux, privacy-focused.

Works offlineData stays with you

What to know▼

How it works: Compresses JPG, PNG, TIFF, MP4 and GIF files, processing them locally on-device rather than uploading them to a server, via web tools or a dedicated offline desktop app for Mac, Windows and Linux.
What's different: Local, privacy-focused processing rather than server-side upload-based compression.
Best for: Anyone who wants to compress images or video without sending files to a third-party server.

Watched for 18 days · last checked 11d ago

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ScreenGlimpse

Live

A free screen recording app for Windows, macOS, Linux, and web that automatically zooms the cursor on clicks, processing everything on-device without upload.

FreeNo sign-upWorks offlineData stays with you

What to know▼

How it works: Highlights the cursor and auto-zooms on clicks during recording, with no upload or account required to start.
Pricing: Free.
Best for: People who want a directed-looking screen recording without manual editing or cloud upload.

Watched for 12 days · last checked 6d ago

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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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Nucleate

Live

Records what you say and turns it into an organized project log automatically on your own device. Aimed at solo builders and founders who have no one else tracking their progress.

FreeWorks offlinePay onceNo subscription

What to know▼

How it works: Records spoken audio and turns it into an organized project history and devlog automatically, processed on your own device.
What's different: Runs fully on-device rather than relying on manual note-taking or a cloud service.
Pricing: Free to use with full functionality, no subscription; a paid Pro tier unlocks Labs and unlimited weekly processing.
Best for: Solo builders and founders who track their own progress by talking rather than writing, with no one else keeping a project record for them.

Watched for 18 days · last checked 2d ago

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ADDA Bailleur

Live

A French rental-property management app storing all tenant, lease, and receipt data locally on-device with no cloud or subscription.

Domain registered 1 month ago

Works offlinePay onceNo subscriptionNo tracking

What to know▼

How it works: Encrypted local storage on your device, works offline, no server or account
What's different: One-click ALUR-compliant receipts, signed leases with timestamped photos
Pricing: 19.99 EUR one-time; free on Linux
Best for: French landlords wanting rental management without sending data to a cloud

Watched for 6 days · last checked 5d ago

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Eleganote

Live

A local-first notebook combining handwriting, rich documents and PDF markup in one workspace, for students and professionals tired of juggling multiple note apps.

Works offlineData stays with youNo adsNo tracking

What to know▼

How it works: A local-first notebook combining handwriting (ink, pens, highlighters, shapes, lasso selection), rich text boxes, tables, images, audio memos, and PDF import with searchable text, all on a multi-page canvas organized with folders and tags.
What's different: Combines handwriting, structured documents and PDF markup in one workspace instead of forcing a choice between separate apps, without ads or tracking SDKs.
Best for: Students, professionals and creators who currently juggle multiple note apps and want handwriting, documents and PDF annotation in one place.

Watched for 18 days · last checked 2d 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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Gleam

Live

Wraps app screenshots in device frames and backgrounds, exporting every size needed for iPhone, iPad, Android and Mac stores in one click. A one-time-purchase desktop app (not mobile), runs fully offline.

Domain registered 19 days ago

Works offlinePay onceNo subscription

What to know▼

How it works: Takes a plain app screenshot and wraps it in device frames, backgrounds, and text layers, exporting every size required for iPhone, iPad, Android, and Mac app stores from one project in one click.
What's different: Runs completely offline on macOS, Windows, or Linux, keeping data private, unlike browser-based mockup tools.
Pricing: $19 one-time payment, no subscription.
Best for: App developers preparing store screenshots who want to skip manually recreating frames in Figma or Photoshop.

Watched for 13 days · last checked 11d ago

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Muster

Live

Desktop app that runs each AI coding-agent task in its own isolated git worktree with DB tooling and PR review, offline-first.

Domain registered 16 days ago

Works offline

What to know▼

How it works: Runs each AI coding-agent task in its own isolated git worktree, with database access through MCP, hunk review, PR creation, SSH, a five-engine DB studio, and Linear/Jira/GitHub imports.
Pricing: $39 one-time per device.
Watch out: Offline-first: code and credentials never leave your machine. Available on macOS, Linux, Windows.

Watched for 3 days · last checked 2d ago

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Prizmi

Live

An AI assistant that drafts messages, organizes files, and fills out forms and flight check-ins on its own, installed on your computer for everyday tasks.

Works offlineData stays with you

What to know▼

How it works: You message Prizmi in plain language and it acts on your phone or computer — drafting texts and emails, organizing files, filling out web forms and flight check-ins, and running scheduled tasks — while proactively reaching out when it notices something matters.
What's different: Takes action directly on your connected devices rather than just answering questions, but never clicks Submit or Pay itself, keeping the user in control of final actions.
Best for: Anyone wanting a proactive assistant that runs tasks on their own Mac, Windows or Linux machine, described as built for grandparents through developers.

Watched for 18 days · last checked today

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Privatta

Live

A free, no-account desktop markdown and text editor with live WYSIWYG formatting and clean markdown export, available now for Windows with macOS and Linux planned. A general writing tool, not developer-specific.

FreeNo sign-upWorks offlineCan export my data

What to know▼

How it works: A desktop markdown and text editor with WYSIWYG live formatting; edit inline or switch to raw source/preview, then export clean markdown.
Pricing: Free to download and use, including commercial use, no account required.
Best for: General writers who want a simple local markdown editor rather than developers specifically.
Watch out: Windows is available now; macOS and Linux builds are listed as coming soon, not yet available.

Watched for 18 days · last checked today

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Pluks

Live

A clipboard manager for macOS and Windows that copies text the instant you select it, no Ctrl+C needed, plus a searchable history of your last 200 clips.

FreeNo sign-upWorks offline

What to know▼

How it works: A clipboard manager for macOS and Windows (beta) that copies text the instant you select it — no Ctrl+C/Cmd+C needed — then long-press to paste, or press Cmd/Ctrl+Shift+V to open a searchable history of your last 200 clips.
What's different: Brings the select-to-copy behavior Linux users know from PRIMARY selection to Mac and Windows; traditional clipboard managers only store history after you explicitly press copy.
Pricing: Free.
Best for: macOS and Windows users who want copy-paste without the extra keystroke.
Watch out: The Windows version is in beta.

Watched for 18 days · last checked 2d ago

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SafePDF

Live

A desktop PDF toolkit with 27 tools — merge, compress, sign, encrypt, OCR, redact — that all run locally without uploading files.

FreeNo sign-upWorks offline

What to know▼

How it works: Runs 27 PDF tools — merge, compress, convert, sign, encrypt, OCR, redact — 100% locally on your machine with no file uploads.
What's different: Aimed at confidential work like legal contracts, medical records, financial statements, and ID documents; available on macOS, Windows, and Linux.
Pricing: The Merge tool is free forever with no account; Pro unlocks the other 26 tools.

Watched for 10 days · last checked 4d 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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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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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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