Open Source Software

topic on 10 shows · 43 statements across 37 episodes

the Y Combinator Startup Podcast In Depth More or Less Startups For the Rest of Us Lenny's Podcast Capital Allocators the MAD Podcast How I Built This the a16z Podcast 20VC

43 statements about Open Source Software, every show

a16z Insight
Bornstein: Volunteer open-source models cannot fund frontier AI development
“Like an AI model is not software at the end of the day. And so open source software used to be supported by people donating their time or big companies kind of authorizing their employees to donate their time. So it was sort of like a bulk in kind You know, do…”
Matt Bornstein Aug 5, 2026 ▶ 21:54 How Open Source Became AI's Backbone | Inferact with a16z
20VC Insight
O'Driscoll: Open-weights models do not have open-source software's security benefits
“The reality is when you're getting open weights, you're not getting, it's not the same thing because all you get is the fixed weights that allow you to run the model. What you don't know is the black box inside those weights and how they work.”
Rory O'Driscoll Jul 29, 2026 ▶ 27:34 Jensen's Open-Weights Letter | Google Cloud Grows 82% But The Market Tanks
Morin: Full-stack AI code generation breaks traditional internet cybersecurity
“A lot of the way that we built software, which was like, we're going to build all these little shims in between, and there's going to be all this open source software and I'm going to use yours and you're going to use mine and it's going to make my life easier…”
Dave Morin Apr 3, 2026 ▶ 24:57 OpenAI's $852 Billion Valuation Makes Zero Sense (ClawCon Tokyo, Anthropic's Leak, Goodbye Internet)
20VC Insight
Casado: Open-Sourcing AI Models Does Not Enable Full Replication By Third Parties
“Unlike actual software open source, just because you release your model doesn't mean somebody can replicate it. Like to replicate it, you'd have to like recreate the data pipeline and the training pipeline.”
Martin Casado Jul 28, 2025 ▶ 36:37 a16z GP, Martin Casado: Anthropic vs OpenAI & Why Open Source is a National Security Risk with China · 20VC with Harry Stebbings
Ng: Sensationalized AI danger hype is being weaponized against open-source software
“And I feel like this has been used as a weapon against open source software as well, right? Which is really unfortunate.”
Andrew Ng Jul 10, 2025 ▶ 32:06 Andrew Ng: Building Faster with AI · Y Combinator
IN DEPTH Insight
Handy: Subsidizing OSS Engineers With Consulting Revenue Is Unsustainable
“Over time, we eventually hired two more software engineers as we continued to scale, but it was like incredibly clear that that was not going to work. Cause what we were doing was we were taking all the money from the consulting business and like shoveling it …”
Tristan Handy Dec 19, 2024 ▶ 29:30 Building a $4B data platform: Inside dbt Labs' unconventional path | Tristan Handy (Founder & CEO)
MAD Disclosure
VAST Data builds its software stack internally instead of using open-source
“Everything is our own or almost everything is our own. We don't use open source nearly as much as other companies do.”
Renen Hallak May 3, 2024 ▶ 22:46 The $9B Startup Going After Snowflake and Databricks | Renen Hallak, CEO of VAST Data
CAPITAL ALLOCATORS Assertion Partly supported
Dixon: Over 90% of all software running worldwide is open source
“And today I think it really under appreciated under discussed aspect of the technology world is that the vast majority of software that runs in the world is open source software, which was a movement that was dismissed much like blockchains are today, 20 years…”
Chris Dixon Apr 15, 2024 ▶ 19:51 Chris Dixon - Empty Rooms: Web3 After the Fall (EP.380)
Dixon: Software composability acts as compounding interest in tech
“Because composability, this Lego brick feature of open source software is, to me, the compounding interest of software.”
Chris Dixon Apr 15, 2024 ▶ 21:48 Chris Dixon - Empty Rooms: Web3 After the Fall (EP.380)
a16z Opinion
Andreessen: Open-source software is the technological equivalent of free speech
“Open source software is, you know, it is quite literally, you know, it's the technological equivalent of free speech, which means it's the technological equivalent of free thought.”
Marc Andreessen Apr 2, 2024 ▶ 1:26:29 Politics & the Future of Tech
20VC Insight
Dixon: Blockchains are to web services what open-source was to OSs
“So blockchains are to centralize services as open source software was to centralize operating systems, right? Like this is, that's what we're doing here. We're trying to open the services layer of the internet.”
Chris Dixon Mar 27, 2024 ▶ 35:02 Chris Dixon: Who Will Win the Next Generation of Venture? | E1132 · 20VC with Harry Stebbings
a16z Insight
Andreessen: Open-source software is fundamentally more secure than proprietary code
“Security through obscurity was a very bad way to do it. The much more secure way to do it is actually open source. Basically put the code in public and then basically build the code in such a way that when it runs it doesn't matter whether somebody has access …”
Marc Andreessen Mar 13, 2024 ▶ 8:33 America Needs More Techno-Optimism, with Marc Andreessen and Tyler Cowen
a16z Insight
Dixon: Blockchains replicate open-source software benefits at the internet service layer
“I sort of think one way to think about blockchains is they're doing for the service layer, what open source software did for the software layer for like, for software running live in production, you know, you can now have services that are open and committed t…”
Chris Dixon Feb 28, 2024 ▶ 44:35 Future of Crypto, Blockchain & Web3 w/ Chris Dixon
20VC Insight
Rabois: Open-source companies are rare exceptions for remote work success
“I think you can build an open source company predicated on open source software in a distributor way and distribute away because you have thousands of contributors or hundreds of contributors all around the globe to open source software and you're managing and…”
Keith Rabois Nov 27, 2023 ▶ 1:00:10 Keith Rabois & Mike Shebat: Creating an Olympian Mindset to Work Ethic| E1087 · 20VC with Harry Stebbings
Schottenstein: dbt reserves stateful interactions and team collaboration for paid Cloud
“We think about dbt open source. It's really the guts of the data transformation. It's where you describe your business logic. And then on the cloud side, we build proprietary software that supercharges the development life cycle and the productionization of db…”
Julia Schottenstein Jul 13, 2023 ▶ 29:50 M&A, competition, pricing, and investing | Julia Schottenstein (dbt Labs)
Mike Perham: Commercial open-source fees act as insurance for vendor dependability
“A lot of businesses understand that if you're in business, you have insurance. Right? You have insurance. You pay your vendors because you want that support. You want that dependability of always being there. And this is no different. You're buying a tool. You…”
Mike Perham May 16, 2023 ▶ 27:31 Episode 661 | Millions in Revenue As a One-Person Software Compan...
20VC Insight
Lemkin: Early traction against free open source is the ultimate signal
“There's probably no better signal than when you compete with a free open source platform and your product is exploding, even at an early day, because it's gotta be magical.”
Jason Lemkin Nov 30, 2022 ▶ 22:06 Jason Lemkin: Cold Email Tips; Why Only 15% of Founders Listen to their VCs | 20VC #954 · 20VC with Harry Stebbings
Bozman: Incremental open-source improvements lack defensibility against incumbent DeFi protocols
“And so generally our view is kind of, okay, well, like if this actually is an improvement, compound could just do this.”
Regan Bozman Jul 7, 2022 ▶ 22:08 Regan Bozman – Defensible Moats in Crypto at Lattice Capital (Manager Meetings, 34)
CAPITAL ALLOCATORS Assertion Not checkable as stated
Dixon: 99% of daily software interacted with is open source
“99% of the software that your listeners are interacting with on a daily basis is open source software.”
Chris Dixon Jun 27, 2022 ▶ 23:05 Chris Dixon – Frameworks and Investing at Scale (EP.258, Crypto for Institutions 2, EP.05)
CAPITAL ALLOCATORS Assertion Not checkable as stated
Dixon: At least 95% of global software is open source
“95% of the software in the world, if not more, is open source software.”
Chris Dixon Jan 11, 2021 ▶ 29:12 Chris Dixon – The Future of Blockchain at a16z (Capital Allocators, EP.172)
Wales: Wide public review exposes errors that formal processes miss
“There's an old saying in the open source software world that given enough eyeballs, all bugs are shallow. And what that means is, oftentimes when you're programming, there's some kind of bug in your code, and you just cannot find it. And if you get another s…”
Jimmy Wales Jan 27, 2020 ▶ 10:49 Wikipedia: Jimmy Wales (2018)
a16z Insight
Levine: Value-Market Fit Centers on Enterprise Revenue, Not Users
“While product market fit often accrues to individual users, value market fit typically centers on departmental and enterprise buyers and is measured by revenue.”
Peter Levine Oct 21, 2019 ▶ 5:36 How to Build an Open Source Business
a16z Insight
Waters: Multibillion-dollar software companies succeed by catching megatrends, not commoditizing incumbents
“History tells us that the largest software companies in the world that get into the hundreds of billion in valuation, that's not what they did. They caught mega trends.”
James Waters Jan 2, 2019 ▶ 5:33 a16z Podcast | Monetizing Open Source (Or, All Enterprise Software)
a16z Insight
Waters: Open source 'dog piles' destroy potential for $500M revenue
“If you're in an open source dog pile, as I mentioned in order of caution, it's especially rampant. That can actually drive your entire upside of ever being a half billion dollar a year software company. Like your probabilities go down really hard.”
James Waters Jan 2, 2019 ▶ 14:27 a16z Podcast | Monetizing Open Source (Or, All Enterprise Software)
a16z Insight
Waters: Open source communities must align with enterprise buyer priorities
“Community development's really important, but if you just develop a little community, and it doesn't change a CIO, a CTO, anyone that's writing as serious as checks priorities, like by definition, you didn't build a software company that had an opportunity to …”
James Waters Jan 2, 2019 ▶ 24:51 a16z Podcast | Monetizing Open Source (Or, All Enterprise Software)
a16z Assertion Not checkable as stated
Waters: Enterprise buyers use open source to guard against Oracle lock-in
“So what buyers are trying to escape from, and one reason they want open source as a Protective measure, even if they don't use it, is the right to keep using their software without paying more and more for it every year. Companies like Oracle have been out the…”
James Waters Jan 2, 2019 ▶ 26:28 a16z Podcast | Monetizing Open Source (Or, All Enterprise Software)
a16z Insight
Eghbal: Open-source popularity and project health are separate metrics
“So you can have projects like OpenSSL might be a project that was really, really popular. Lots of people use it, but not actually healthy. Until we separate those things out, then you have the problem of people saying, well, if it's, you know, if no one's main…”
Nadia Eghbal Jan 2, 2019 ▶ 7:36 a16z Podcast | The Changing Culture of Open Source
a16z Opinion
Rogers: Eric S. Raymond's open source developer incentive model is outdated
“Yeah, yeah, so, so the cathedral and the bazaar is, is a very, very old Ericus Raymond essay on, like, basically describing open source, especially early open source, and at one point he does get into, like, the incentives that people have, and the incentives …”
Michael Rogers Jan 2, 2019 ▶ 22:46 a16z Podcast | The Changing Culture of Open Source
a16z Insight
Mokyr: Open-Source Software Mirrors Academic Tenure Reputation Incentives
“The way my university and any other university gives tenure is they look at your reputation. That's how these things are being decided. And so Joe Blow has the incentive To publish as much as he can, because that's how he gains a reputation. And so everything …”
Joel Mokyr Jan 2, 2019 ▶ 10:15 a16z Podcast | Knowledge Builds Technology and Technology Builds Knowledge -- with Joel Mokyr
a16z Insight
Casado: Great Engineering Drives Open-Source Adoption Better Than Community Managers
“A community manager is not going to drive adoption like the best engineer on the planet actually building something good.”
Martin Casado Jan 2, 2019 ▶ 21:15 a16z Podcast | Selling to Developers & Open Source Business Models
a16z Assertion Not checkable as stated
Uretsky: The majority of software on DigitalOcean virtual machines is open source
“The virtual machines that run on our cloud the majority of the software that's loaded on them is also open source.”
Ben Uretsky Jan 2, 2019 ▶ 28:59 a16z Podcast | What Software Developers (and Therefore Every Company) Need
a16z Insight
Levine: Delaying open-source business models makes future monetization significantly harder
“If you don't have that early, what starts, and you don't know what that is, then potential customers and partners don't know what you're going to charge for in the future and all that, and it makes it, the longer you go on without having a model, the harder it…”
Peter Levine Jan 2, 2019 ▶ 41:20 a16z Podcast | AMPLab, the Power of Open Source, and the Future of Systems Software
a16z Assertion Not checkable as stated
Janeway: Cloud and open source drop software launch costs to near zero
“Open source software, web services from the cloud, which means that the cost in terms of time and money of launching a new service Has declined asymptotically to zero. Not building it out into a full business, but launching it.”
Bill Janeway Jan 2, 2019 ▶ 1:50 a16z Podcast | Good Bubbles, Bad Bubbles -- and Where Unicorns Come from
a16z Insight
Novak: Proprietary software value must continually move higher up the stack
“Now over time, things go up. So whatever used to be proprietary over time may become open source. You just need to keep up one level on top of it and providing more value than anybody else can at your level.”
Yoram Novak Jan 2, 2019 ▶ 18:15 a16z Podcast | The Consumerization of IT
a16z Insight
Liebert: Open-source companies can monetize by building superior user experience
“And I think where we can provide additional value that we can charge for is in, in making this open source easier to use. And coming from companies like Airbnb and Twitter, where UX is, is really essential, I think we can apply the same to open source, and I t…”
Florian Leibert Jan 2, 2019 ▶ 19:08 a16z Podcast | The Consumerization of IT
a16z Insight
Ali Yahya: Crypto tokens enable open-source developers to capture value
“So what's interesting with this brave new crypto world is that now we can have modular components that are built in an open source way that are granularly incentivized. So people can work on building those modular components, and if there is some crypto enable…”
Ali Yahya Jul 26, 2018 ▶ 22:59 Cryptonetworks and Cities: Analogies
a16z Opinion
Dixon: AWS is essentially a reseller of open-source software
“AWS is essentially a reseller of open source software.”
Chris Dixon Jul 15, 2018 ▶ 0:45 An Intro to Crypto: Decentralization, the Big Picture
Crowdsourced review catches critical errors that structured gatekeeping often misses
“That concept does actually apply in lots of areas of life, that if you get a lot of people looking at something, people can say, hey, there's actually a problem here that maybe nobody else noticed, and then sometimes after it's been pointed out, you say, oh ye…”
Jimmy Wales Feb 26, 2018 ▶ 10:41 Wikipedia: Jimmy Wales
a16z Prediction Not checkable as stated
Open-source software will be key for widespread agtech adoption
“Open source software is going to be key.”
Chandra Krintz Jul 15, 2017 ▶ 14:55 Chandra Krintz
MAD Insight
Open source licenses cannot protect startups from Amazon's cloud competition
“Unless there's something proprietary in the open source, which by definition it's sort of already out there and open I think it's very difficult for a license to protect you from Amazon coming up with good enough in a competing service.”
Peter Fenton Mar 18, 2016 ▶ 47:49 A Fireside Chat with Benchmark General Partner Peter Fenton (Data Driven NYC / FirstMark)
MAD Opinion
Srivas: Open source does not guarantee high software quality
“It's not clear that open source equals good quality yet.”
M.C. Srivas Dec 17, 2015 ▶ 24:00 A Fireside Chat with MapR CTO M.C. Srivas (Data Driven NYC / FirstMark)
20VC Insight
Soltero: Open-source software cannot be sold via traditional top-down enterprise models
“They were doing a sort of typical top-down sales approach and the type of go to market dynamics usually reserved for the Siebels and you know, oracles of the world, and you couldn't do that then, you can't do it now.”
Javier Soltero Sep 6, 2015 ▶ 5:01 FF 012: Acquired by Microsoft for $200m with Javier Soltero @ Microsoft
Y COMBINATOR Assertion Supported
Livingston: Startup costs plummeted by 2005 due to open-source and cheap infrastructure
“In 2005, it was a lot cheaper to start a startup than it had been a few years earlier. Servers and bandwidth were cheaper, there was more open source software, and the internet had become a really good vehicle for getting attention, so you were no longer depen…”
Jessica Livingston Mar 12, 2014 ▶ 4:57 Jessica Livingston at Female Founders Conference 2014 · Y Combinator

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