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Joseph (JJ) Jacks for COSS Community

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COSS Weekly #75

Here's the seventy-fifth issue of COSS Weekly, the global commercial open source (COSS) company category newsletter, brought to you every Sunday afternoon (Pacific Time) by the team at OSS Capital, creators and stewards of COSS Community and Open Core Summit.

We deliver only the most fresh πŸ˜‹ news from the previous week in COSS across: Funding, Content, Jobs, Liquidity and $COSS (Public Markets).

Last week saw $105.5M in funding announcements from Cocos,, JiHu (GitLab China),, and Speckle --- Additionally, huge milestones for Appflowy (20K+ stars) and Hoppscotch (1M+ users). Finally, Elon Musk wants acquire Twitter and open source it!


πŸ’° COSS Funding: $105.5M

  • Cocos, makers of an innovative game engine, announced their $50M Series B led by CCB Trust. Link

  •, creators of the open infrastructure for time, announced their $25M Series A led by Seven Seven Six (founded by Reddit co-founder Alexis Ohanian) with participation from founding seed investor OSS Capital and many others like Shopify founder Tobi Lutke and open source legend Larry Augustin. Link

  • JiHu, the Chinese subsidy of GitLab, announced a seven-figure Series A led by Temasek Holdings and TaiKang Life Insurance. Link

  •, makers of Flyte, announced their $10M Seed led by NEA. Link

  •, a microservices platform provider, announced their $7.1M Series A led by Elsewhere Partners. Link

  • Speckle, making an open-source platform for 3D drawings, announced their $5.5M Seed led by Frontline Ventures. Link

  • Joseph Jacks (JJ) πŸ‡ΊπŸ‡¦: "HUGE CONGRATS to @peer_rich, @BaileyPumfleet and @CalCom πŸ”₯πŸš€ Elon wants to open source Twitter to ensure free speech. Cal is open source infrastructure for time itself. What a thrill to welcome such a sharp crew to the cap table, led by @Reddit co-founder @alexisohanian πŸ™ŒπŸΌ" Link

  • Alexis Ohanian 7️⃣7️⃣6️⃣: "βŒ› What if time were programmable? I found @calcom while searching for a solution to build scheduling into Cerebro, our operating system for @sevensevensix. What was a no-brainer tech for us became a no-brainer Series A for us." Link

πŸ“š COSS Content

  • annieanqi: "@appflowy's #stars reached 20,000 today. Thanks so much for your support! Let's build a great open-source project together. Join us with 1,500+ builders on Discord " Link

  • Elastic: "Elastic and AWS are working together to deliver a streamlined onboarding experience, secure and seamless integrations, and a simplified migration process. Learn more here β†’ " Link

  • Open Source Startup PodcastπŸŽ™: "Releasing our first-ever Open Source Podcast ✨Video✨ Check out our conversation with @jack_naglieri, Founder of @runpanther_πŸ‘‡" Link

  • Heavybit: "Sanjay Poonen (@spoonen) shares lessons imbibed from this many years in engineering, sales, product, and executive leadership in ep. 48 of EnterpriseReady. Tune in for invaluable enterprise insights with host Grant Miller (@GrantM) of @replicatedhq. β†’" Link

  • Hoppscotch: "Thank you everyone for joining us on this amazing journey!" Link

  • Open Source Startup PodcastπŸŽ™: "πŸŽ™οΈNew Open Source Startup PodcastπŸŽ™οΈ Ft. @soumyadeb_mitra, Founder & CEO of @RudderStackπŸ’ͺ Check it outπŸ‘‡" Link

  • Liyas Thomas: "Just hit 1 million users at πŸš€ Thank you everyone for joining us on this amazing journey!" Link

  • GitHub: "1,000,000+ people building and testing APIs can't be wrong. Hoppscotch is a fantastic little tool for working with WebSockets, GraphQL, REST endpoints, and more! Congrats @hoppscotch_io! πŸŽ‰" Link

  • Abhishek Nayak: "We just crossed 15K stars on GitHubπŸ₯³, but here are the numbers that really matter! 1. 9,000+ community members across our Discord, Discourse, sub-Reddit, Youtube, and Intercom 2. 5,000+ Monthly active teams 3. 5,300+ closed GitHub issues 4. 0 cold emails sent" Link

  • Aleph Alpha: "We present to you...LUMINOUS! Aleph Alpha's multilingual, multicapable, generalizable AI language model "Made in Europe" that helps you get the most out of your data. #writtenbyahuman" Link

  • HTTPie: "How we lost 54k GitHub stars" Link

  • Joseph Jacks (JJ) πŸ‡ΊπŸ‡¦: "No greater validation for the open core and COSS model has been made in history until today when ⁦@elonmusk⁩ has felt so strongly to open source Twitter's core algorithmic and business logic infrastructure... this is simply awesome to behold. ❀️🐣" Link

  • Joseph Jacks (JJ) πŸ‡ΊπŸ‡¦: "Elon: "Twitter should literally be an open source project on GitHub" 🀯❀️" Link

  • Worldcoin: "✨ Worldcoin is open-sourcing! Over the coming weeks, we'll be sharing code & write-ups from every part of our stack. We're getting started with our crypto protocol, with the orb soon to follow, and publishing a timeline for everything else. Here's all you need to know πŸ‘‡" Link

  • Bassam Tabbara: "Really exciting to see another startup formed around the @rook_io project πŸ™Œ" Link

  • OCV: "Someone has to pay for the domino - see our thoughts on F/OSS sustainability and various funding models:" Link

  • Ben Halpern: "@editingemily I'd encourage everyone reading this to keep up with some of the progress we're making on DEV and also pay attention to effort to enable other specialized spaces like to grow. It's an ongoing challenge, but the @forem long term roadmap is chef's kiss." Link

  • Abdullahi M.: "If this happens, it's gonna be one of the greatest feats in the history of OSS." Link

  • Joseph Jacks (JJ) πŸ‡ΊπŸ‡¦: "😬" Link

  • Juan Linietsky: "If true, I am not happy about it at all. We already have problems if we try hiring Russian contributors (hint they are not necessarily pro war, quite the opposite), but ok that's a side effect of economic sanctions. What purpose does this serve, though?" Link

  • Joseph Jacks (JJ) πŸ‡ΊπŸ‡¦: "This is GitHub's homepage circa 2012. πŸ˜… > 1M accounts ✨ 56 employees βœ… 4 beers on tap 🍺 $0.00 VC Funding ❌" Link

  • Joseph Jacks (JJ) πŸ‡ΊπŸ‡¦: "VCs are is seeing more pressure than ever from LPs to exhibit higher levels of transparency on underlying portfolio statistics, metrics, performance and more. 1) Early-stage COSS will only heat up further. 2) VC funds may start to operate like @CalCom:" Link

  • Peer Richelsen πŸ—“πŸŠ: "new metric on cap table ratio" Link

  • Joseph Jacks (JJ) πŸ‡ΊπŸ‡¦: "🌱 NEW: Here's the most profound way I illustrate the fundamental differences between open core (aka COSS) vs. closed core companies. 🧬 Comments welcome:" Link

πŸ’Έ COSS Liquidity (M&A + IPOs)

  • Jamin Ball: "The cloud software companies who preformed the best in Q4 beat consensus estimates by >10%. That list includes, Splunk, HashiCorp, Datadog, GitLab, Mongo, Twilio, Confluent cc @josephjacks_ lots of open source!" Link

  • Matthew Lynley: "Spoke with a bunch of sources/analysts on who might be on Snowflake's wishlist after buying Streamlit for $800M to address its ML weakness. Here are the companies that kept coming up" Link

  • Matthew Lynley: "Others that came up but nowhere near as much as the others: Lacework, Sigma, Robling, Panther (also a Snowflake investment but weirdly not as often)" Link

  • Erica Brescia: "Congrats to @ytechdata @ab415 and the entire @puppetize team on their acquisition by @perforce! And congrats of course to founder @lkanies as well :)" Link

  • Tianon Gravi: "Today marks the end of nearly 9 years of getting surprised reactions about not being an employee of @Docker. @Docker has officially acquired @InfoSiftr" Link

πŸ› οΈ COSS Jobs

  • Senior Product Engineering Manager (Forem). Link

  • Senior Principal Full Stack Engineer (Forem). Link

  • Senior Platform Engineering Manager (Forem). Link

  • Principal Infrastructure Engineer (Forem). Link

  • Lead Full Stack Engineer (Forem). Link

πŸ“Š $COSS - Public Markets

  • $COSS markets down 1.71% last week

  • Latest $COSS markets snapshot below as of market close last Friday courtesy of Koyfin.

Koyfin market data

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