PODCAST · technology
Open Source Startup Podcast
by Robby (MTF); Tim (Essence VC)
The leading podcast on how to build a successful open source company. Learn from the founders of HashiCorp, Chronosphere, Vercel, MongoDB, DBT, mobile.dev and more!
Episodes
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E203: From Sentry to Modem - Rethinking How Product Teams Listen
In this episode, our co-hosts Robby and Tim talk with Modem Co-Founder Ben Vinegar who's building the AI product manager for software teams. He was previously a longtime engineering leader at open source application monitoring software platform Sentry. Ben reflects on his journey from Disqus to...
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E202: How the Largest MLOps Community Was Built
In our latest episode, co-hosts Robby and Tim talk with Demetrios Brinkmann, founder of the MLOps Community, the leading community for MLOps with over 90K developers in it today. He's also a Member of the Non-Technical Staff at the Agentic AI Foundation which is an open foundation advancing...
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E201: Building Your Agent Army with Paperclip
In this episode, our co-hosts Robby and Tim talk with Paperclip Co-Founder Dotta (Nate) whose viral agent orchestration platform has taken off over the past several months as more teams adopt agents at work. Their open source, also called paperclip, has >75K stars on GitHub and is becoming the de...
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E200: Open Sourcing Warp’s Terminal
This episode has our co-hosts Robby and Tim in conversation with Warp founder Zach Lloyd as he shares the company story and decision to open source their core product: the terminal. They now provide an open source agentic development environment (born out of the terminal) which is also called…
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E199: Rethinking Infra-as-Code for the AI Era
This Open Source Startup Podcast episode has our co-hosts Robby and Tim in conversation with Pavlo Baron from Platform Engineering Labs - creators of open source infra-as-code platform formae. This podcast explores why traditional infrastructure-as-code tools like Terraform and Pulumi can…
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E198: How Unikraft Launches AI Agents in
This Open Source Startup Podcast episode has our co-hosts Robby and Tim in conversation with Dr. Felipe Huici, CEO of Unikraft - the compute layer for sandboxes, AI agents, or any workload with VM-grade isolation. Their open source, also called unikraft, has 4K stars on GitHub and provides a...
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E197: The Evolution of Building Open Source Businesses from HashiCorp to Flox
This Open Source Startup Podcast episode has our co-hosts Robby and Tim in conversation with James Bayer, Chief Product Officer at software development platform Flox. Flox's open source, also called flox, provides a software environment platform powered by package manager Nix. In this episode,...
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E196: Shifting Developer Portals to Agent Portals with Port
This Open Source Startup Podcast episode has our co-hosts Robby and Tim in conversation with Zohar Einy the Co-Founder of agentic SDLC platform Port. They have a few open source projects including ocean which allows third-party systems to integrate with their developer portal. Port is positioning...
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E195: Taking on the New AI Attack Surface With Manifold: Runtime, Skills & Supply Chains
The latest Open Source Startup Podcast episode has our co-hosts Robby and Tim in conversation with Neal Swaelens and Oleks Yaremchuk, 2 of the Co-Founders of runtime agent security company Manifold Security. Manifold recently released Manifest, their open-access, graph-based supply chain...
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E194: Fal's Bet on Generative Media
The latest Open Source Startup Podcast episode has our co-hosts Robby and Tim in conversation with Batuhan Taskaya, the founding engineer and current Head of Engineering at generative media cloud Fal. Fal is a developer platform that allows builders to develop and fine-tune models with serverless...
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E193: Managing 100s of Agents with Maestro
In our latest Open Source Startup Podcast episode, co-hosts Robby and Tim talk with Pedram Amini, the creator of open source platform Maestro which allows users to run fleets of AI coding agents autonomously for long periods of time. Their project has 3K stars on GitHub. The episode explores how...
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E192: Creating Browser Use, Navigating Hyper Growth & Building in the Competitive Browser Automation Space
In our latest Open Source Startup Podcast episode, co-hosts Robby and Tim talk with Magnus Müller, the Co-Founder & CEO of Browser Use - the platform that makes web agents come to life. Their open source, browser-use, has almost 80K stars on GitHub and is widely adopted. This episode dives into…
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E191: Super Fast Infra for Agents to Use the Internet
In our latest Open Source Startup Podcast episode, co-hosts Robby and Tim talk with Catherine Jue, Co-Founder and CEO of browser infrastructure company Kernel. Their open source images acts as a browsers-as-a-service for automations and web agents. In this episode, we break down what Kernel is...
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E190: Open Sourcing AI Coding Platform Devin to Create OpenHands
In our latest episode, co-hosts Robby and Tim talk with Robert Brennan, Co-Founder & CEO of OpenHands - the open platform for cloud coding agents. Their open source project, also called OpenHands, has 67K starts on GitHub and provides a software agent SDK, CLI, and local GUI. They also have...
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E189: Why Your Backup Platform Should Be Open Source with Plakar
In our latest episode, co-hosts Robby and Tim talk with Julien Mangeard, Co-Founder of open source backup platform Plakar. Plakar's open source, also called plakar, has 1.5K stars on GitHub and provides a backup solution powered by open source, immutable data store Kloset. The podcast discusses…
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E188: Building (And Spinning Out) Open Source Projects With Informal Systems
In our latest episode, co-hosts Robby and Tim talk with Zarko Milosevic (CTO) & Arianne Flemming (COO) of Informal Systems. They've built a protocol design & cross-chain infrastructure platform to foster trust in software and money. This episode explores how open source infrastructure and…
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Exclusive: BYOC Vendor Nuon Goes Open Source!
In our latest episode, our co-hosts Robby and Tim talk with Jon Morehouse, founder and CEO of infrastructure company Nuon which enables Bring Your Own Cloud (BYOC) for everyone. This is an exclusive podcast episode with Jon digging into their decision to open source Nuon! The episode discusses…
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E186: Unlocking Your Unstructured Data with Typedef
In our latest episode, our co-hosts Robby and Tim talk with Yoni Michael and Kostas Pardalis, Co-Founders of Typedef. Both have deep backgrounds in data infrastructure (Starburst, Tecton, etc.) and, after meeting through a "blind date" at Blue Bottle Coffee, decided to team up to address the...
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E185: The Challenges with Monetizing Open Source with the Creator of Rich + Textual
In our latest episode, Robby and Tim talk with Will McGugan, creator of the Rich and Textual open source projects and founder of Textualize and Toad (not yet released), about the challenges of turning beloved open-source projects into real businesses. Despite Rich and Textual's huge adoption in…
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E184: Building the Browser for AI - the Browserbase Story
In this episode, we sit down with Paul Klein IV, Founder & CEO of Browserbase, to explore how his team is redefining the foundation of AI-driven browser automation. Browserbase provides the web browser infrastructure for AI agents and apps, and its open-source SDK, Stagehand, lets developers…
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E183: Why English Isn't a Programming Language - the BAML Story
This episode dives into why code quality still matters in the age of AI, and why English - no matter how good models get - won’t replace programming. Our guest is Co-Founder of Boundary, Vaibhav Gupta, and he shares the journey behind BAML, a new programming language to write and manage AI logic....
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E182: The Rise of ClickHouse
In the episode, we sat down with ClickHouse Co-Founder Yury Izrailevsky to unpack how one of the fastest open-source databases in the world became the analytics engine of choice for 2,000 customers including Harvey, Canva, HP, and Supabase. From its Yandex origins to powering AI observability…
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E181: Why Multimodal Is the Future of AI Data Workloads
Chang She is Co-Founder & CEO of LanceDB, the multimodal lakehouse platform. Their open source data format lance has over 5K stars on GitHub and is a modern columnar data format for ML and LLMs implemented in Rust. LanceDB has raised $41M from investors including Theory Ventures, CRV, and Essence...
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E180: Why Kubernetes Still Needs Simplifying: The Nadrama Story
Ryan Djurovich is the Founder & CEO of Nadrama, the open source infrastructure automation platform that deploys containers instantly. In this episode, we dig into: Kubernetes challenges that still exist today – setup and operations are notoriously hard and complex. What great developer experience...
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E179: LLMs for Software Maintenance (the Grit Story)
Morgante Pell is the Founder of Grit, the developer tool that puts software maintenance on autopilot and was acquired by Honeycomb in April 2025. In this episode, we dig into: The Grit product and how LLMs have made software maintenance much more efficient Launching GritQL - Grit's embedded query...
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E178: Building Safer AI Agents with Portia AI
Emma Burrows is Co-Founder & CTO of Portia AI, the platform to build AI agents in regulated environments. Their open source Python SDK provides a developer framework for predictable and stateful agentic workflows. Portia AI has raised around $5M from investors including General Catalyst and First...
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E177: RunReveal's Anti SIEM SIEM Platform (With AI That Actually Works!)
Alan Braithwaite is Co-Founder & CTO of RunReveal, the security data platform with real-time monitoring, built-in detections, and AI-powered investigations. Today, they manage and analyze security logs for teams at Harvey, ClickHouse, Cloudflare, and Temporal. RunReveal has multiple open source...
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E176: Why All AI Agents Will Need Cloud Sandboxes
Vasek Mlejnsky is Co-Founder & CEO of E2B, the open-source runtime for executing AI-generated code in secure cloud sandboxes. Essentially, they give AI agents cloud computers. Their open source repos, particularly e2b which has 9K GitHub stars, have been widely adopted to help securely run...
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E175: How Dragonfly Is Taking on Redis With a New Data Store
Roman Gershman is Co-Founder & CTO of Dragonfly, the drop-in Redis replacement for heavy data workloads that has significant performance, cost, and scale benefits. Their open source dragonflydb has 28K stars on GitHub. Dragonfly has raised $21M from investors including Quiet Capital and Redpoint....
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E174: The SDF / DBT Acquisition (1 + 1 = 3)
Lukas Schulte is Co-Founder & CEO of SDF Labs, the developer platform that scales SQL understanding across organizations, which was recently acquired by data transformation unicorn dbt Labs. In this episode, he's joined by Anders Swanson, Senior Developer Experience Advocate at dbt, to discuss…
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E173: Feature Flagging with OpenFeature
Andrew Norris is Co-Founder & CEO of DevCycle, the leading feature flagging platform based on the OpenFeature project. OpenFeature provides a standard for feature flagging unifying tools behind a common interface and avoiding vendor lock-in at the code level. DevCycle is a product created by...
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E172: How MetalBear Makes Cloud Development 100x Faster
Aviram Hassan is Co-Founder & CEO of MetalBear, the cloud development platform that lets developers run local code as if it were part of their remote environment. Their project, mirrord, has 4K stars on GitHub and is loved by users at companies like SentinelOne, Flexport, and Run.ai. In this...
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E171: How Companies Like Block Build Viral Open Source Projects
Manik Surtani is Head of Open Source and Bradley Axen is Principal Engineer at Block. Manik was key to launching Block's Open Source Programs Office and Bradley is a major open source contributor - including the project Goose which is Block's extensible AI agent project. It currently has over 11K...
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E170: From Idea to Working Web App Using Only Python with Reflex
Nikhil Rao is Co-Founder of Reflex, the open source framework to build and deploy web apps in python. Their project, also called reflex, has over 22K stars on GitHub and is a library to build full-stack web apps. Reflex has raised $5M from investors including Lux Capital. In this episode, we dig...
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E169: Building New Standards for Observability - Lightstep & OpenTelemetry
Ben Sigelman is the Co-Founder & CEO of observability platform Lightstep as well as Co-Creator of open source observability frameworks OpenTracing and OpenTelemetry. Lightstep was acquired by ServiceNow in 2021 and OpenTelemetry was released in 2019 and has since become the standard observability...
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E168: One (Multi-Model) Database to Rule Them All - SurrealDB
Tobie Morgan Hitchcock is the Co-Founder & CEO of SurrealDB, the next generation serverless cloud database for modern applications. Their open source database, also called surrealdb, has 30K stars on GitHub. SurrealDB has raised $26M from investors including FirstMark and Georgian. In this…
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E167: Taking on Network Security with a Zero Trust Approach with NetBird
Misha Bragin is the Founder & CEO of NetBird, the open source zero trust networking platform that allows companies and individuals to create secure private networks without the hassle of corporate networks. Their open source, also called netbird, has over 12K stars on GitHub and connects devices...
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E166: Making Open Source Reliable & Secure with Fossa
Kevin Wang is Founder & CEO of Fossa, the product security platform that automates compliance & security across open source third party code, suppliers, and tools. In this episode, we discuss: Where Kevin's interest in open source started Learning to work with big enterprises The shift from...
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E165: Can DevTools Get to $1B ARR?
Max Stoiber is Co-Founder & CEO of Stellate, the GraphQL edge platformrecently acquired by Shopify. In this episode, we discuss: The Stellate journey from idea to initial traction to acquisition The market size (and limitations) for GraphQL, APIs, and DevTools How he ran a top-notch acquisition...
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E164: Taking on Auth0 with Open Source Zitadel
Florian Forster is Co-Founder & CEO of Zitadel, the cloud security platform aiming to build the future of identity and access management. Their open source project, also called zitadel, provides identity infrastructure and has 10K stars on GitHub. In this episode, we dig into: The benefits of...
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E163: Using Feedback Loops to Optimize LLM-Based Applications
Viraj Mehta is the Co-Founder & CTO of TensorZero which is an open-source infrastructure platform that creates a feedback loop for optimizing LLM applications. Their open source project helps users turn production data into smarter, faster, and cheaper models. In this episode, we dig into: The...
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E162: The AI Code Editor War with Zed
Nathan Sobo is the Founder of Zed, the next-gen code editor that enables high-performance collaboration - powered by AI. Open source zed has 53K Stars on GitHub and is used by engineers at Vercel, Apple, Anthropic, and GitLab. Prior to founding Zed, Nathan created the editor Atom at GitHub which...
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E161: Reimagining Python Notebooks with Marimo
Akshay Agrawal is the Founder & CEO of Marimo, the next generation Python notebook. Their open source reactive notebook for Python, also called marimo, has almost 9K stars on GitHub. Marimo has raised $5M from investors including AIX Ventures. In this episode, we dig into Akshay's love of…
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E160: Open Source Secrets Management with Infisical
Vlad Matsiiako is CEO & Co-Founder of Infisical, the open source secrets management platform. Their open source project, also called infisical, has 16K stars on GitHub and helps users sync secrets across their teams and infrastructure. Infisical has raised $3M from investors including Gradient…
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E159: Innovating on Distributed SQL Databases with Yugabyte
Karthik Ranganathan is Founder & CTO of Yugabyte, the PostgreSQL-compatible distributed database for cloud native applications. Their open source database, also called yugabyte, has almost 10K stars on GitHub. Yugabyte has raised almost $300M and sits at a $1.3B valuation. They've raised from...
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E158: Open Source Diagramming and Charting with Mermaid Chart
Andrew Firestone is CEO and Knut Sveidqvist is CTO of Mermaid Chart, the open source text-based diagraming software platform. The mermaid project has over 70K stars on GitHub and is an open source diagramming and charting tool. Mermaid Chart has raised $7.5M from investors including Open Core...
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E157: Build Your Own Production-Grade AI CoPilots With Copilotkit
Atai Barkai is Co-Founder & CEO of Copilotkit, the platform to build production-grade AI Copilots 10x faster. Their open source project, also called copilotkit, has almost 13K stars on GitHub and provides React UI + elegant infrastructure for AI Copilots, in-app AI agents, AI chatbots, and...
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E156: Code-First Product Integrations with Ampersand
Lauren Long is Co-Founder & CTO of Ampersand, the developer platform for native product integrations. Ampersand has raised $5M from investors including Matrix, Base Case Capital, Flex Capital, and 2.12 Angels. In this episode, we dig into their differentiation as a "code-first" product, why they...
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E155: Taking on Elasticsearch - the ParadeDB Story
Philippe Noël is Co-Founder & CEO of ParadeDB, the modern Elasticsearch alternative built on Postgres. They're purpose-built for heavy, real-time workloads and their open source project, also called paradedb, has over 6K stars on GitHub. ParadeDB has raised $2M from investors including General...
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E154: Bringing OpenTelemetry to Mobile Observability
Eric Futoran is Co-Founder & CEO of Embrace, the mobile observability platform built on OpenTelemetry. Embrace has raised almost $80M from investors including NEA, Greycroft & Eniac. In this episode, we dig into the creation of mobile observability as a category and how Embrace helped evangelize...
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ABOUT THIS SHOW
The leading podcast on how to build a successful open source company. Learn from the founders of HashiCorp, Chronosphere, Vercel, MongoDB, DBT, mobile.dev and more!
HOSTED BY
Robby (MTF); Tim (Essence VC)
CATEGORIES
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How many episodes does Open Source Startup Podcast have?
Open Source Startup Podcast currently has 203 episodes available on PodParley. New episodes are automatically indexed when they're published to the podcast feed.
What is Open Source Startup Podcast about?
The leading podcast on how to build a successful open source company. Learn from the founders of HashiCorp, Chronosphere, Vercel, MongoDB, DBT, mobile.dev and more!
How often does Open Source Startup Podcast release new episodes?
Open Source Startup Podcast publishes regularly with 203 episodes available. Check the episode list for the typical release schedule.
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You can listen to Open Source Startup Podcast on PodParley by clicking any episode. We provide an embedded audio player for direct listening, and you can also subscribe via your preferred podcast app using the RSS feed.
Who hosts Open Source Startup Podcast?
Open Source Startup Podcast is created and hosted by Robby (MTF); Tim (Essence VC).
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