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  1. 61The SuperSplat editor: a snow-covered cabin rendered in 3D, a scene list with position, rotation and scale on the left, and a splat data histogram below.

    SuperSplat

    Edit 3D Gaussian splats in a browser

    A browser editor for inspecting, cleaning up and publishing 3D Gaussian Splats.

    Use in the browser
    ★ 10.5k
    DESIGN · GitHub · MIT · kept 2026.09.21
  2. 62The OpenSchool site: the line "One platform for your entire school's records", a Get Started button and a photo of students in uniform.

    OpenSchool

    Run a school’s records in one system

    An open school platform: records, attendance, timetables, marks and reports in one place.

    Self-host
    ★ 40
    EDUCATION · GitHub · Apache-2.0 · kept 2026.09.21
  3. 63The Acode site: the line "Code on Android", download buttons for Google Play, F-Droid and GitHub, and a phone showing the editor below.

    Acode

    Write and run code on an Android phone

    A code editor for Android with a built-in Linux terminal and instant preview.

    Install to use
    ★ 7.6k
    DEV TOOLS · GitHub · MIT · kept 2026.09.21
  4. 64An example Nuclei template: the check’s name, severity, description and CVSS score, with the actual HTTP request written out in YAML.

    Nuclei

    Scan your servers for known weak spots

    A fast vulnerability scanner driven by simple, readable YAML templates.

    Install to use
    ★ 32.5k
    SECURITY · GitHub · MIT · kept 2026.09.21
  5. 65The Inspo cover: a wall of full-length captures of real websites with the line "Give your agent design taste" beneath.

    Inspo

    Give a coding agent design references

    A library of real production websites your coding agent can study before it writes UI.

    Install to use
    ★ 956
    AI · GitHub · MIT · kept 2026.09.21
  6. 66The outloud window: findings on the left, the marked-up PDF page in the middle, and the screen-reader reading order on the right.

    outloud

    Check if a PDF reads correctly aloud

    A PDF accessibility checker that shows what a screen reader would actually say.

    Install to use
    ★ 15▲ 3 HN
    NEW 0h OLD WHEN SEENDEV TOOLS · Show HN · Apache-2.0 · kept 2026.09.19
  7. 67The Apeeye home screen: "Fake APIs. Real endpoints.", a button to open the Playground, and a row showing the workspace URL to copy.

    Apeeye

    Spin up mock REST endpoints fast

    Mock REST endpoints in seconds — no login, no config, no database.

    Use in the browser
    ★ 6▲ 2 HN
    NEW 1h OLD WHEN SEENDEV TOOLS · Show HN · MIT · kept 2026.09.19
  8. 68The Alidade editor: a camera and terrain panel on the left, and 3D mountainous terrain rendered under a night sky on the right.

    Alidade

    Build and style maps in the browser

    An open Web-GIS: drop in spatial data, style it, and fly over 3D terrain in the browser.

    Use in the browser
    ★ 17▲ 2 HN
    NEW 1h OLD WHEN SEENDATA · Show HN · Apache-2.0 · kept 2026.09.19
  9. 69The VocaWin site: a microphone mark, the line "voice typing that stays on this PC", and a button to download the beta.

    VocaWin

    Voice typing that stays on your PC

    Hold a hotkey, speak, and the text appears at the cursor — Windows dictation that stays on the PC.

    Install to use
    ★ 81
    AI · GitHub · AGPL-3.0 · kept 2026.09.19
  10. 70A terminal running txcript: the install finishes, then a continue command carries a session into another agent.

    txcript

    Continue an AI session in another tool

    Move an AI coding session from one agent to another and carry on where you left off.

    Install to use
    ★ 209▲ 4 HN
    CROSS-SIGNAL GitHub + Show HNDEV TOOLS · GitHub · Show HN · Apache-2.0 · kept 2026.09.19
  11. 71The Syrinx library: a large cover and description at the top, with cards for the bundled pieces such as Luv Letter and Flower Dance below.

    Syrinx

    Practise flute with piano backing

    A flute practice app that plays the piano part for you and shows how each note landed.

    Use in the browser
    ★ 51
    EDUCATION · GitHub · Apache-2.0 · kept 2026.09.19
  12. 72The Look4Sat map view: the ISS position and ground track over Europe, with azimuth, elevation, altitude and distance listed underneath.

    Look4Sat

    See when a satellite passes overhead

    An Android satellite tracker that works out when the next pass crosses your sky, and where to look.

    Install to use
    ★ 1.5k
    SCIENCE · GitHub · GPL-3.0 · kept 2026.09.19
  13. 73The GitDiagram entry screen: a field for a repository URL, a Diagram button and example repositories such as FastAPI and Flask.

    GitDiagram

    See how a GitHub project is built

    Paste a GitHub repository URL and get its architecture as one interactive diagram.

    Use in the browser
    ★ 18.7k
    DEV TOOLS · GitHub · MIT · kept 2026.09.19
  14. 74The JobSync dashboard showing applications over the last 7 and 30 days, a weekly activity chart and a list of recent applications.

    JobSync

    Track job applications on your server

    A self-hosted job-search companion that keeps applications, resumes and interview notes in one place.

    Self-host
    ★ 1.5k
    PRODUCTIVITY · GitHub · MIT · kept 2026.09.19
  15. 75The LaraNode dashboard: menu for websites, firewall and file manager on the left, CPU load and memory and disk usage cards in the middle.

    LaraNode

    Run your own hosting control panel

    A free, self-hosted hosting control panel: sites, SSL, databases, firewall and backups in one screen.

    Self-host
    ★ 757
    INFRA · GitHub · MIT · kept 2026.09.19
  16. 76The Atlassian MCP Server page explaining how AI tools connect to Jira and Confluence.

    Atlassian MCP Server

    Connect Jira and Confluence to AI tools

    Atlassian's official bridge that lets AI tools read and act on Jira, Confluence and the rest of the platform.

    Install to use
    ★ 1.1k
    PRODUCTIVITY · GitHub · Apache-2.0 · kept 2026.09.18
  17. 77The Memoh interface showing per-agent workspaces alongside the chat view.

    Memoh

    A cloud computer for every agent

    An open-source platform that gives every AI agent its own cloud computer, running even when your laptop is closed.

    Self-host
    ★ 2.8k
    AI · GitHub · AGPL-3.0 · kept 2026.09.18
  18. 78The Coder product page describing self-hosted development environments and AI coding agents.

    Coder

    Self-hosted cloud dev environments

    A self-hosted platform that moves development environments off laptops onto your own infrastructure, started on demand.

    Self-host
    ★ 17.3k
    DEV TOOLS · GitHub · AGPL-3.0 · kept 2026.09.18
  19. 79

    MemOS

    Give an AI agent long-term memory

    A memory layer for LLM agents that unifies storing, retrieving and managing long-term memory.

    For developers
    ★ 12.2k
    AI · GitHub · Apache-2.0 · kept 2026.09.18
  20. 80The liarjs.dev page on a blue background, headlined "Can your browser fool me?" with the browser analysis in progress.

    liarjs

    Check where a browser contradicts itself

    Reads what a browser says about itself, compares it with what the network actually saw, and reports every disagreement.

    Use in the browser
    ★ 4
    SECURITY · GitHub · MIT · kept 2026.09.18
  21. 81The Status Trio page showing the combined Wi-Fi, battery and volume menu bar icon with its settings.

    Status Trio

    One menu bar icon for three signals

    A native macOS menu bar app that merges Wi-Fi, battery and volume into a single icon.

    Install to use
    ★ 1.3k
    PRODUCTIVITY · GitHub · Apache-2.0 · kept 2026.09.18
  22. 82The OpenStock dashboard with a price list and chart on the left and a colour-coded sector heatmap on the right.

    OpenStock

    Track prices and set your own alerts

    An open-source dashboard for tracking stock prices, company details and personalised alerts in one place.

    Use in the browser
    ★ 21k
    FINANCE · GitHub · AGPL-3.0 · kept 2026.09.18
  23. 83The ArcReel workspace showing characters and scene assets extracted from a script alongside the storyboard list.

    ArcReel

    Turn scripts into short-form video

    A self-hosted workbench that turns a novel or script into characters, scenes, storyboards and finished short videos.

    Self-host
    ★ 6k
    MEDIA · GitHub · AGPL-3.0 · kept 2026.09.18
  24. 84The Harper site showing the grammar checker marking issues in a sentence.

    Harper

    Offline English grammar checking

    An English grammar checker that runs on your own machine, so what you write never leaves it.

    Use in the browser
    ★ 17.3k
    PRODUCTIVITY · GitHub · Apache-2.0 · kept 2026.09.18
  25. 85The Actual Budget screen: an account list on the left and a month-by-month table of budgeted, spent and balance amounts per category.

    Actual Budget

    Budgeting that stays on your device

    A local-first budgeting app that keeps your finances on your own device, using envelope budgeting.

    Use in the browser
    ★ 29.9k
    FINANCE · GitHub · MIT · kept 2026.09.18
  26. 86

    SparkyFitness

    Self-hosted family health tracking

    A self-hosted health tracker for nutrition, exercise, sleep, fasting, mood and body metrics — all on a server you run yourself.

    Self-host
    ★ 6.7k
    PRODUCTIVITY · GitHub · kept 2026.09.17
  27. 87Podroid's homepage: a dark screen reading "Linux containers on Android. No root required," with a Download APK button.

    Podroid

    Linux container VM for your phone

    Boots a real, separately-kernelled Alpine Linux VM on an unrooted Android phone, running Podman, Docker and LXC exactly as they behave on a server.

    Install to use
    ★ 3.7k
    DEV TOOLS · GitHub · GPL-2.0 · kept 2026.09.17
  28. 88Inkstone's notebook interior: a note list on the left, the "Welcome to Inkstone" Markdown body in the centre, and a document outline on the right.

    Inkstone

    Self-hosted notebook on Cloudflare

    A self-hosted Markdown notebook you deploy on your own Cloudflare Workers account, with realtime sync, search and backlinks built in.

    Self-host
    ★ 1.2k
    PRODUCTIVITY · GitHub · kept 2026.09.17
  29. 89OpenHunterAI's homepage, labelled "AUTHORIZED EXTERNAL SECURITY TESTING," listing its five-stage process from scope verification to reporting.

    OpenHunterAI

    Local AI red-team workspace

    An alpha-stage local workspace that runs attacker-style security assessments — strictly against public targets you own or are authorized to test.

    Self-host
    ★ 335
    SECURITY · GitHub · kept 2026.09.17
  30. 90Four Wealthfolio screens on a tablet: a net-worth chart, an allocation treemap, a performance comparison chart, and a dividend-income bar chart, all in a dark theme with green accents.

    Wealthfolio

    Local-first personal finance tracker

    An open-source portfolio tracker that keeps investments, net worth and spending entirely on your device — no cloud account.

    Install to use
    ★ 9.3k
    FINANCE · GitHub · AGPL-3.0 · kept 2026.09.17