4d2 dot org :: Online Community

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So it's come to this...you've met us

Since 2001, 4d2 dot org has worked to provide interested folks with free access to communication and collaboration services in a mixed Linux/BSD environment. We focus on technical transparency, user privacy and free speech, with a dash of cypherpunk and retrocomputing for good measure (ask us about building a web server on a C64 or running NetBSD on an Amiga 3000).

Hey! Free pro-privacy services! (scroll down for all the details)

If you like:	You might like our free service:	Here's How:
Discord, XMPP, WhatsApp, Messenger	Matrix	Get started
Google Workspace	CryptPad	Visit it
X, Bluesky	4d2.social (Mastodon)	Visit it
Reddit	Lemmy	Visit it
YouTube	PeerTube	Visit it
Duo, FaceTime, Zoom	Jitsi	Visit it
bit.ly, TinyURL	4d2.link	Visit it
Bitwarden, 1Password	Vaultwarden	Visit it
WeTransfer, 0x0.st	depot.4d2.org	Visit it
Gmail, Outlook	Our private, secure ad-free email	Contact the admin (see below)
Pretending it's 1995	The 4d2 dot org BBS	📞 +1 541 442 4422 telnet bbs.4d2.org

Cool, so, what's the catch? What's your angle? Does this cost money in some insidious way? Are you a cult?

A cult? We wish! In fact, we hope that by providing these free services, we will encourage you to learn more about our perfectly normal new religious order, the Reformed Tertiary Quantum Church of the Ravenous Bugblatter Beast of Traal. Please send your best drawing of a $5 U.S. banknote and a stamped envelope addressed to your childhood self, into which you have screamed a detailed account of a time when your mother deeply disappointed you, to All Computers Are Brilliant Inc., 5441 S. Macadam Ave. Suite 4243, Portland OR 97239, USA. You will receive a copy of our lavishly illustrated pamphlet "Four Hundred Twenty More Reasons to Be Deeply Ashamed About Your Body, Especially Those Parts Right There" via telepathy.

OK, not really. We're just trying to provide folks with access to technology that supports education, non-commercial experimentation, community-building and mutual aid. Sorry.

4d2 dot org Network

Service Status:	OK All services are operating normally, and we don't have anything to report right now.
Security Status:	OK Checked 1 minute ago - Details

Host	OS	Location	Hardware Specs	Services	Live Status	Maintenance
arthur	Arch Linux	Centersquare NYC3 15 Enterprise Ave. North Secaucus, NJ, USA	4x Intel E5-2680v4 threads 16GB RAM 8TB HDD RAID storage	Security Status Web Search Disaster Recovery	ONLINE 58.128 ms away	4th Mondays 20:00 - 22:00 PT
bayard	FreeBSD	Fort Rock Data Center 207 SW Columbia St. Bend, OR, USA	4x AMD 9950x threads 16GB RAM 435GB NVMe storage	Public Websites Mail Exchange Vaultwarden	You Are Here	4th Mondays 20:00 - 22:00 PT
darcelle	Arch Linux	TierPoint SPO03 23017 E. Mission Ave. Liberty Lake, WA, USA	16x Intel 6152 threads 32GB RAM 240GB NVMe storage	Non-Prod Testing	ONLINE 16.182 ms away	2nd Mondays 20:00 - 22:00 PT
hactar	FreeBSD	4d2 dot org Lab Portland, OR, USA	20x Intel 12700K threads 128GB RAM 108TB HDD RAIDZ2 storage	Offsite Backups Internal Apps	ONLINE 23.884 ms away	4th Mondays 20:00 - 22:00 PT
marvin	Arch Linux	Fort Rock Data Center 207 SW Columbia St. Bend, OR, USA	36x AMD 9950X threads 192GB RAM 8TB NVMe storage	Matrix Lemmy Mastodon PeerTube Jitsi CryptPad File Sharing	ONLINE 0.255 ms away	2nd Mondays 20:00 - 22:00 PT

Our servers are directly powered by 100% renewable energy where available. When this isn't possible, we offset 100% of our power consumption with renewable energy credits from the Pacific Northwest USA.

Full Details of Our Services Available with a Click (or tap, whatever, we're behind the times)

4d2 dot org BBS
- Doomscrolling got you down? Take a trip back in time with us. Access via web, telnet, or dialup to +1 541 442 4422. Home to a growing collection of online games and subversive text files, plus 1000s of DOS and Windows 3.x downloads, and message groups (EchoMail) from the inter-BBS networks FidoNet, fsxNet, HobbyNet, MicroNet, Dove-Net and AmigaNet.
Matrix messaging server - (Quick Start Guide | Report a Problem User)
- Individual and group text chat, voice and video calling, with end-to-end encryption. Since Matrix servers interconnect, you can talk to anyone in the world, on any server. You can even bring in your chats from Facebook, Instagram, WhatsApp, LinkedIn, Signal, Slack, and Google Messages (including your SMS messages, if you use an Android phone). Find out how to get started.
CryptPad collaboration server
- CryptPad provides end-to-end encrypted file storage, collaborative tools for note-taking, calendaring and whiteboarding, and a complete suite of office applications to create and edit rich documents, spreadsheets, slideshows, diagrams and more. Think Google Docs+Drive with a focus on privacy and security. Anyone can register for 1 GB of free encrypted storage without providing any personal information.
Mastodon social community - (Register new account)
- Our home instance of the Mastodon federated social network, 4d2.social. Post, boost and discuss short pieces of text and media in an environment not run by a megalomaniacal jerkwad.
Lemmy social community
- Our instance of Lemmy, a link aggregator and social community that federates with other Lemmy instances to provide a non-commercial alternative to Reddit. Browse posts from the entire Lemmyverse, or create an account to post, comment and up/down vote.
PeerTube video streaming service
- Stream hundreds of thousands of uploaded videos from across the Fediverse, or create an account to upload your own. A federated, non-commercial alternative to YouTube.
Jitsi conferencing server
- Group audio and video conferences like Zoom, Google Hangouts or Microsoft Teams, with support for camera video and screen sharing. No signup required, just enter a conference name and share it with your other participants. Use it through the browser, or the Jitsi Meet app on iOS or Android.
Vaultwarden password management server
- Works with official Bitwarden client apps and browser extensions, and provides nearly all Bitwarden premium features for free: security reports, emergency contacts, encrypted attachments and file sends, YubiKey OTP integration, and built-in TOTP authentication. Zero-knowledge encryption means we have no access to your data. For security, we recommend signing up using an official Bitwarden desktop or mobile app. Just select "self hosted" and set https://vault.4d2.org as your server URL.
URL shortening service
- Turn long URLs into short ones like 4d2.link/fQ4D5x, or custom ones like 4d2.link/mykazoosolo. No advertising. Great for QR codes.
Ridiculously simple file sharing service
- Upload files from anywhere and get an instant link others can use to download them. No Javascript, no complicated authentication. Works fine with your 20-year-old browser or your shell script.
Email information and tools
Warrant canary (what's that?) - User data disclosure report - PGP public key
- We currently update the canary once per week.

Our Sunset Policy

Our users place a lot of trust in us and we want them to feel safe. We will provide 3 months' notice before discontinuing any service listed above, allowing you time to transition to another provider. We also maintain a 3-month emergency fund to allow us to provide notice and wind down operations in the event of financial trouble. That said, we've been here since 2001 and don't intend to go anywhere soon.

We may still immediately discontinue a service due to critical vulnerabilities in an abandoned product, catastrophic system failure, legal demand, natural disaster, etc.

For complete details, please refer to the Sunset and Wind-Down Policy published as part of our corporate policies.

I Demand to Speak with the Management!

Technical: Contact tech@acabinc.org via email, or @sarah:4d2.org or @chaosmuse:4d2.org on Matrix.
Fundraising / Donor Relations: Contact development@acabinc.org via email, or @kara:4d2.org on Matrix.
Legal / Abuse: Contact compliance@acabinc.org via email.

Legal Notices and Terms of Use

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Have You Considered Giving Us Your Money?

If you appreciate our work, please consider buying us a coffee or becoming a monthly donor to help support our costs. 4d2 dot org is operated by All Computers Are Brilliant, Inc., a 501(c)(3) nonprofit organization supporting the public good. We depend on your donations to keep our services free for everyone.

Monthly Donor Support vs. Operating Costs

$0 [###########################_____________] $415

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