
OSTIF Official
@ostifofficial
Non-profit org that connects open-source projects with security resources. We are the Open Source Technology Improvement Fund.
ID: 3223018734
https://ostif.org 22-05-2015 07:50:08
909 Tweet
1,1K Followers
804 Following

Rachel Metz
@rachelmetz
i write about AI for Bloomberg @Technology. rachelmetz.11 on signal. she/her. opinions my own. [email protected] (tips yes, pitches nono).
Jonah Kowall 🌊✈️👩💻
@jkowall
SVP Product & Design @paesslergmbh | former @aiven_io @logzio @kentikinc @AppDynamics @Gartner_inc / Speaker / Open Source | When I'm not working I'm diving
Omɐr
@omarbv
Hacker. Technology enthusiast.
Powen Shiah @[email protected]
@polexa
photo-taking, queer, extremely internet. also languages, cities, coffee, & (pop)culture. Comms @sovtechagency | tech.lgbt/@polexa
Chris Aniszczyk (@[email protected])
@cra
🌻 Building a Better World Through Open Collaboration / @CloudNativeFdn @linuxfoundation / Always Paying it Forward / bsky.app/profile/cra.dev![Ray [REDACTED] (@rayredacted) Twitter profile photo Ray [REDACTED] (@rayredacted) Twitter profile photo](https://pbs.twimg.com/profile_images/1905489873433165824/RZEKt51u_bigger.jpg)
Ray [REDACTED]
@rayredacted
Hacker. Researcher. Technologist. Former producer of 'Tribe of Hackers' podcast and 'Darknet Diaries'. Also, proud father of the fastest climber in the world.
Apache - The ASF
@theasf
The global home for open source software, powering some of the world’s most ubiquitous software projects in web, big data, Java, IoT, cloud computing, and more.
The Tor Project
@torproject
🦋 bsky.app/profile/torpro… We're a nonprofit defending privacy & freedom online. Download Tor Browser: t.me/TorProject
hackerfantastic.x
@hackerfantastic
Co-Founder @myhackerhouse & dcentral.finance. Cybersecurity & blockchain expert. Author of Hands-on Hacking (ISBN 9781119561453). Offensive Lua. #Web3
Lauren Goode
@laurengoode
Senior writer @WIRED. DMs open. Signal @ ChaoticGoode.12 for tips on what's happening in Silicon Valley and its impact beyond (no PR pitches there)
Lorenzo 'kelset' Sciandra
@kelset
otaku at heart current: "on a break" 🛋️ (open to chats) prev: @sovtechagency, @microsoft & @reactnative core maintainer 🕸️ kelset.dev 🏠 London, UK
@mikko
@mikko
Researcher and a best-selling author. Keynote talks at RSA, Black Hat & DEF CON. TED Speaker. Chief Research Officer at WithSecure.
Joseph Jerome
@joejerome
Public Policy @DuckDuckGo. Used to spend too much time thinking about my privacy, and then gave most of it away on whatever this platform is.
Abhishek Arya
@infernosec
Principal Engineer, AI Security at Google
Big Jackson Corp.
@fasterxml
We do Jackson and other OSS
Alex Stamos
@alexstamos
You can find me at: threads.net/@alex.stamos cybervillains.com/@alex
[email protected]
@octopuscitizen
Co-Founder @sovtechfund | Likes Feminism, sɹǝʇndɯoɔ & dogs | Loves @heartofcode | Works in Open Source Funding | she/her @[email protected]
THOTCON!
@thotcon
Chicago's Hacking Conference - May 30th & 31st 2025 - Discord: bit.ly/47Jd2cU - a 501(c)(3) nonprofit organization - Donate: bit.ly/2qmJ228
Cosmonic
@cosmonic
Cosmonic Control. A powerful control plane for managing distributed apps across #cloud, #K8s, #edge Cosmonic on Bluesky: bsky.app/profile/cosmon…
Matthew Green is on BlueSky
@matthew_d_green
I teach cryptography at Johns Hopkins. Mostly on BlueSky these days at matthewdgreen.bsky.social.
Signal
@signalapp
Signal is an end-to-end encrypted messaging app. Privacy isn’t an optional mode, it’s just the way that Signal works. Every message, every call, every time.
John Scott-Railton
@jsrailton
Chasing digital badness. Sr. Researcher @citizenlab @UofT @munkschool. Fmr.Ed. @SecPlanner. Tweets mine. Other platforms @jsrailton too.
Donncha Ó Cearbhaill
@donnchac
Head of Security Lab at @AmnestyTech - Hunting spyware and unlawful surveillance targeting civil society (He/Him) - Fedi: @[email protected]
Least Authority
@leastauthority
We're committed to building & supporting the development of technology solutions that advance digital security and preserve privacy as a human right.
Eclipse Foundation
@eclipsefdn
The Community for Open Collaboration and Innovation. Home of @eclipsejavaide, @jakartaee, and 420+ open source projects. OCX 21-23 April 2026 @ocxconference
Eclipse Adoptium
@adoptium
The Adoptium Working Group promotes and supports high-quality runtimes and associated technology for use across the @Java ecosystem. Part of @EclipseFdn
Ulises Gascón
@kom_256
#OpenSource Maintainer (@nodejs, @UseExpressJS...), @TC39 Delegate and #Maker | He/Him
Florian Roth ⚡️
@cyb3rops
Head of Research @nextronsystems #DFIR #YARA #Sigma | detection engineer | creator of @thor_scanner, Aurora, Sigma, LOKI, YARA-Forge | always busy ⌚️🐇 | vi/vim
MalwareTech
@malwaretechblog
Not here anymore. Profiles: marcushutchins.com/socials
Proton
@protonprivacy
A better internet starts with privacy. Take back control with e2e encrypted email, drive, password manager, and VPN. 🫶 Tag @ProtonSupport for help
The New Stack
@thenewstack
All about at-scale software development, deployment & management. Tech news, analysis, research, podcasts, videos & more!
SwiftOnSecurity
@swiftonsecurity
computer security person. former helpdesk.
Dan Lorenc
@lorenc_dan
OSS Supply Chain Security. Founder/CEO/Primary Ariba Admin at chainguard.dev Sigstore: sigstore.dev
Meredith Whittaker
@mer__edith
President of @signalapp, Chief Advisor to @ainowinstitute (Also on Mastodon @[email protected], also on bsky @meredithmeredith.bsky.social)
Shielder
@shieldersec
InfoSec boutique. Owning things since 2014. We love to go for the extra mile, where we usually find the best 🦟🐞🪲🪳🐛🐜🕷 the others miss.
Niklas Gögge
@dergoegge
fuzzing around and finding out @bitcoinbrink
Spotify Engineering
@spotifyeng
The official account for Spotify Engineering
Women In Security and Privacy (WISP)
@wisporg
Women In Security and Privacy (WISP) — Advancing women to lead the future of security & privacy | 501 (c)(3) non-profit
GraphQL
@graphql
A query language for APIs, brought to you by the GraphQL Foundation
LiveOverflow 🔴
@liveoverflow
wannabe hacker... he/him 🌱 grow your hacking skills @hextreeio
Jack Cable
@jackhcable
CEO & Co-founder @CorridorSecure. Prev: @CISAgov @HSGAC @KrebsStamos @TrustVanta @DefenseDigital. @Stanford CS. Personal account.
CNCF
@cloudnativefdn
CNCF is the home of @kubernetesio, @prometheusio, @envoyproxy, and many more. Join us at #kubecon.io - Jun 10-11 in HK, Jun 16-17 in Tokyo
Ben
@bencrts
Research at @zama_fhe. Interested in #crypto(graphy) and #privacy.
Academy Software Foundation
@academyswf
A home for open source developers in the motion picture and media industries to collaborate on image creation, visual effects, animation and sound.
buildpacks_io
@buildpacks_io
Build, package and maintain container images at scale.
gabsmashh
@gabsmashh
security strategist | 1L JD Candidate | NYU alum | UMGC adjunct professor | USMC & USCG auxiliarist
Zama
@zama_fhe
Zama is an open source cryptography company that builds state-of-the-art Fully Homomorphic Encryption (FHE) solutions for blockchain and AI.
OpenTelemetry
@opentelemetry
OpenTelemetry makes robust, portable telemetry a built-in feature of cloud-native software. NOTE - This account is no longer monitored.
LF Energy
@lfe_foundation
LF Energy is an open source foundation focused on the power systems sector, hosted within The Linux Foundation. ⚡ #LFEnergy
vx-underground
@vxunderground
The largest collection of malware source code, samples, and papers on the internet. Password: infected
chompie
@chompie1337
hacker, weird machine mechanic, exploit dev @xforce
UN OICT
@un_oict
The United Nations Office of Information and Communications Technology (OICT) enables a better, safer, more sustainable future through global digital solutions.
FHE.org
@fhe_org
A community of researchers and developers interested in fully homomorphic encryption (#FHE) 👾 Join the discord: discord.fhe.org
Rey Lejano
@reylejano
CNCF Ambassador | @kubernetesio 1.23 Release Lead, 1.25 Emeritus Adviser, K8s SIG Docs co-chair | 👨🏻💻@RedHat | he/him | Opinions are my own
developer-guy
@developerguyba
🚀CNCF Ambassador 23• 🐳 Docker Captain 23•🎖Best Sigstore Evangelist 22 • ㏅CDF Ambassador 23 • 🇹🇷@kcdturkey Organizer •🕴Organizer @cloudnativetr @devopstr
Luke Hinds
@decodebytes
No longer active here; find me on: bsky.app/profile/lukehi…
EVerest
@everestincharge
Open Source Community for electric mobility Mastodon: fosstodon.org/web/@EVerest
The PHP Foundation
@thephpf
We support, promote, and advance the PHP language. 💜🐘 #ThePHPFoundation Donate at opencollective.com/phpfoundation
Varun Sharma
@varunsh_coder
CEO & Founder, StepSecurity @step_security, ex-MSFT
Pacu 🧉iOS + Rust + Zcash (he/him) 🦓
@thecodebuffet
Developer Relations Engineer @ Zcash - my code buffet goes around iOS, Swift, Rust, Zcash, Privacy, OSS & more. formerly @electriccoinco. My opinions are my own
OpenSSL Corporation
@openssl_
The Official X(Twitter) of the OpenSSL Corporation. Securing the world since 1998.
Trail of Blocks
@trailofblocks
Featuring the @TrailofBits Blockchain team. We're Hiring!
Hylé
@hyle_org
The next-generation base layer for unchained applications. t.me/hyle_org
asteure.eth 🧡
@alexasteure
content at @hyle_org | aspiring tech writer | EU maximalist | winter sports enthusiast | typing speed office contest winner 2025 | Very French.
cmichel
@cmichelio
blockchain dev & security 🏹🐛 @SpearbitDAO/@cantinaxyz 🖊️ blog @ cmichel.io DM @cantinaxyz for audit views are my own
Zulip organized team chat
@zulip
Zulip combines the immediacy of real-time chat with an email threading model, making thousands of teams globally more productive than ever. 100% open source.
Conda Forge
@condaforge
A community led collection of recipes, build infrastructure and distributions for the conda package manager.
Cyber Saiyan | RomHack Conference, Training, Camp
@cybersaiyanit
A community | RomHack Conference, Training and Camp - more info romhack.io
Synadia
@synadia
Creating the first decentralized, secure global utility, powered by NATS.io, to connect all digital systems, services and devices. #ConnectEverything
Pit
@suidpit
human, chaotic good | master-of-none expert | security researcher @ Shielder