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Strongthium Labs

Strongthium Labs: Take back control of your internet.

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Strongthium Labs builds small, focused software that does one job well.
These are the free, open-source Strongthium tools: MIT-licensed, built in the open,
and every release built by GitHub Actions from the source you see here.


Strongthium open-source tools


Strongthium eMudhra Security Patch icon

Certificate trust-store patch for Windows and Linux. Finds eMudhra's G3B and G3C intermediate CAs, and the roots above them, in a computer's trust stores and distrusts them.

Download Strongthium eMudhra Security Patch
Build status Windows and Linux MIT license


Strongthium Folder Size icon

Fast disk space analyzer for Windows. Shows what takes up the space on a drive or in a folder: every folder added up, largest first, as a tree, a treemap, the largest files and the space by file type. Run as administrator, it reads an NTFS drive's own file table and scans a whole drive in seconds.

Download Strongthium Folder Size
Build status Windows MIT license


Strongthium Health Reminder icon

Medication reminder, pill identifier and meal planner for Windows. Reminds you, insistently, of pills, injections, blood sugar tests, meals and water, and shows what the very pill to take looks like (DailyMed, RxNorm and Health Canada, by name, NDC or DIN). Plans meals for one with kitchen alerts, keeps groceries and the kitchen's stock, sets exercise time aside, and helps cut down smoking step by step.

Download Strongthium Health Reminder
Build status Windows MIT license


Strongthium Host Dossier icon

Domain and IP lookup tool for Windows and Linux. Enter a domain or an address and see who owns it and where it runs: WHOIS and RDAP, DNS records, ASN, country and reverse DNS for every IP, an SSL/TLS test of protocols, ciphers and certificates like SSL Labs, and a port scan with what's listening. Checks mail in full: SPF down to every allowed IP, DKIM, DMARC, BIMI and VMC, MTA-STS, DANE and RBL blacklists. With your Cloudflare token, shows the real origin IPs behind the proxy, then follows every related domain it finds.

Download Strongthium Host Dossier
Build status Windows and Linux MIT license


Strongthium Outbound Watch icon

Outbound connection monitor for Windows. Watches where your PC connects to: for every outgoing connection, the program, the name it looked up, the address, the network and country, how long it was open and how much it sent and received, live and as history. List the places you expect programs to connect to, and the tray tells you when one connects somewhere else. One file of about 3 MB, nothing to install, and it sends nothing about your connections anywhere.

Download Strongthium Outbound Watch
Build status Windows MIT license


Strongthium Video Dispatch icon

TikTok and YouTube uploader and video editor for Windows. Choose one video, write what goes with it once, and queue it to TikTok, YouTube and YouTube Shorts, with schedules, presets and uploads that pick up where they stopped. Cut, trim, join, fade, zoom, slow down and speed up clips, add music and words, even out the sound, and compress or re-encode to MP4 with Windows' own tools. Your videos go from your PC to your own TikTok and Google apps, with no server in between.

Download Strongthium Video Dispatch
Build status Windows MIT license


Strongthium WebDAV Server icon

Self-hosted WebDAV server for Linux and Windows. Upload, download and sync files, stored by user, by path or both, with Nextcloud compatibility on the same address. Bans repeated failed logins per path, whitelists by IP, ASN or country and cuts off anything outside the list as soon as it connects. Runs behind nginx or Cloudflare, and you run it from a program on Windows.

Download Strongthium WebDAV Server
Build status Windows and Linux MIT license

More from Strongthium

Strongthium Labs also makes software for running your own servers and Windows PCs, and for talking to your customers, at strongthium.com:

Strongthium Guard icon Strongthium Guard
Linux server firewall. Locks down your Linux servers, reads their logs and shuts out whoever attacks them, within seconds.
Strongthium Mail icon Strongthium Mail
Self-hosted mail server for Linux and Windows. Receives, checks and sends your mail, and tells you exactly why it refused what it refused.
Strongthium Chat icon Strongthium Chat
Self-hosted live chat for Linux and Windows. A chat on your websites and text messages in one inbox, answered from Windows or a browser.
Strongthium Remote icon Strongthium Remote
Windows SSH client. SSH terminal, file manager, editor, server task manager, database client and remote desktop in tabs, in one program.
Strongthium SMS icon Strongthium SMS
Twilio text messages for Windows. Sends and receives your own Twilio account's texts from Windows, and blocks senders by number or by country.
Strongthium Registry icon Strongthium Registry
Windows registry editor. Shows what each key and value means, finds any key in seconds, and backs up every change before it's made.
Strongthium Convey icon Strongthium Convey
Video conferencing for Windows. Video, sound and text chat between Windows PCs, over the Internet, a dial-up modem or a cable.

Security

Important

Found a vulnerability in a Strongthium project? Please don't open a public issue. Our security policy explains how to report it privately.


Strongthium Labs · Take back control of your internet.

Popular repositories Loading

  1. health-reminder health-reminder Public

    Medication reminder for Windows that rings until answered: pills, injections, IV bags, blood sugar, meals and water. Identifies pills by name, NDC or DIN (DailyMed, RxNorm, Health Canada), plans me…

    C# 2

  2. emudhra-security-patch emudhra-security-patch Public

    Distrusts eMudhra's G3B and G3C intermediate CAs and their emSign roots in Windows and Linux certificate trust stores. Finds them, and any cross-signed copy with the same key, distrusts them, and r…

    C# 1

  3. folder-size folder-size Public

    Fast disk space analyzer for Windows 10 and 11. Shows what fills a drive or folder as a sorted folder tree, a treemap, the largest files and space by file type. Run as administrator, it reads the N…

    C# 1

  4. .github .github Public

    Organization profile and default community health files

  5. outbound-watch outbound-watch Public

    Outbound connection monitor for Windows. Shows every connection your PC makes: the program, the domain it looked up, the IP, network (ASN) and country, duration and bytes sent and received, live an…

    C#

  6. host-dossier host-dossier Public

    Domain and IP lookup tool for Windows and Linux: WHOIS and RDAP, every DNS record, ASN, GeoIP and reverse DNS, an SSL/TLS test of protocols, ciphers and certificates, and a port scan with banner gr…

    C#

Repositories

Showing 8 of 8 repositories
  • emudhra-security-patch Public

    Distrusts eMudhra's G3B and G3C intermediate CAs and their emSign roots in Windows and Linux certificate trust stores. Finds them, and any cross-signed copy with the same key, distrusts them, and rolls it all back with one command. The list is a plain text file you can edit. One file, no runtime to install.

    strongthium/emudhra-security-patch's past year of commit activity
    C# 1 MIT 0 0 0 Updated Nov 3, 2026
  • health-reminder Public

    Medication reminder for Windows that rings until answered: pills, injections, IV bags, blood sugar, meals and water. Identifies pills by name, NDC or DIN (DailyMed, RxNorm, Health Canada), plans meals with kitchen alerts, tracks groceries and pantry stock, schedules exercise and helps you quit smoking. All data stays on your PC.

    strongthium/health-reminder's past year of commit activity
    C# 2 MIT 0 0 0 Updated Nov 3, 2026
  • webdav-server Public

    Self-hosted WebDAV server for Linux and Windows that Nextcloud clients can sync with too. Store files by account, by path or both; ban addresses after failed logins per path; allow connections by IP, ASN or country. Argon2id passwords, app passwords, TLS 1.2/1.3 only, behind nginx or Cloudflare. Windows admin app included.

    strongthium/webdav-server's past year of commit activity
    C# 0 MIT 0 0 0 Updated Nov 3, 2026
  • host-dossier Public

    Domain and IP lookup tool for Windows and Linux: WHOIS and RDAP, every DNS record, ASN, GeoIP and reverse DNS, an SSL/TLS test of protocols, ciphers and certificates, and a port scan with banner grabbing. Checks mail in depth (SPF, DKIM, DMARC, BIMI, MTA-STS, DANE, RBL blacklists) and finds Cloudflare origin IPs.

    strongthium/host-dossier's past year of commit activity
    C# 0 MIT 0 0 0 Updated Nov 3, 2026
  • video-dispatch Public

    Windows app for uploading video to TikTok and YouTube, including Shorts. Write once, queue to both: a queue that survives restarts, resumable YouTube uploads, scheduling, text presets and MP4 compression. Built-in editor to cut, trim, join, fade, zoom, change speed, add music and text. No server: videos go straight from your PC.

    strongthium/video-dispatch's past year of commit activity
    C# 0 MIT 0 0 0 Updated Nov 2, 2026
  • folder-size Public

    Fast disk space analyzer for Windows 10 and 11. Shows what fills a drive or folder as a sorted folder tree, a treemap, the largest files and space by file type. Run as administrator, it reads the NTFS master file table (MFT) and scans a whole drive in seconds. One small portable exe, free and open source.

    strongthium/folder-size's past year of commit activity
    C# 1 MIT 0 0 0 Updated Nov 2, 2026
  • outbound-watch Public

    Outbound connection monitor for Windows. Shows every connection your PC makes: the program, the domain it looked up, the IP, network (ASN) and country, duration and bytes sent and received, live and as history. Write lists of where programs are expected to connect and the tray alerts you when one goes elsewhere. Sends nothing anywhere.

    strongthium/outbound-watch's past year of commit activity
    C# 0 MIT 0 0 0 Updated Nov 2, 2026
  • .github Public

    Organization profile and default community health files

    strongthium/.github's past year of commit activity
    0 0 0 0 Updated Nov 2, 2026

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