
Contributor
The origin story behind the best open source projects and communities.
Latest episodes

Feb 28, 2024 • 35min
Robust Observability: OpenTelemetry with Austin Parker
Explore the success of OpenTelemetry in the CNCF, the benefits of flexibility and avoiding vendor lock-in, and the secrets to maintaining a balance between maintainers and contributors. Learn about Austin Parker's journey into observability, the merger of OpenTelemetry and OpenCensus, and the importance of foundations in supporting open-source projects.

Feb 15, 2024 • 37min
Never Build Permissions Again: OPAL with Or Weis
OPAL is an open-source administration layer for Policy Engines such as Open Policy Agent (OPA). OPAL provides the necessary infrastructure to load policy and data into multiple policy engines, ensuring they have the information they need to make decisions. Today, we’re talking to Or Weis (@OrWeis), co-creator of OPAL and co-founder of Permit, the end-to-end authorization platform that envisions a world where developers never have to build permissions again.
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In this episode we discuss:
History of Permit and OPAL
The benefits of an open-foundation model rather than open-core
RBAC vs ABAC vs ReBAC
Why developers would prefer to not have to deal with authorization
Or’s own podcast, Command+Shift+Left
Links:
OPAL
Permit
Command+Shift+Left
Terraform
People mentioned:
Asaf Cohen (@asafchn)
Filip Grebowski (@developerfilip)
Other episodes:
Open Policy Agent with Torin Sandall
Community Driven IaC: OpenTofu with Kuba Martin

Jan 31, 2024 • 34min
Oxygen Deprivation: FerretDB with Peter Farkas
FerretDB enables users to run MongoDB applications on existing Postgres infrastructure. Peter Farkas (@FarkasP), co-founder and CEO of FerretDB, explains the need for an open source interface for document databases. Peter also discusses the licensing change of MongoDB and the uncertainty it created for users. He emphasizes the importance of open standards and collaboration among MongoDB alternatives to provide users with choice and interoperability.
Contributor is looking for a community manager! If you want to know more, shoot us an email at eric@scalevp.com.
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In this episode we discuss:
The epic mountain adventure that inspired FerretDB
Why commercial open-source can be additive rather than extractive
How compatibility and open standards drives innovation and competition
PDFs as an example of corporation-supported standards
Three tenets for building a successful open source project
Links:
FerretDB
Percona
People:
Peter Zaitsev (@PeterZaitsev)

12 snips
Jan 17, 2024 • 34min
The Duke of SQLite: Litestream with Ben Johnson
Ben Johnson, creator of Litestream and LiteFS, talks about his involvement in SQLite development and the challenges of open source contributions. They discuss the different use cases for Litestream and LiteFS, as well as the greater server-side SQLite landscape. Ben also shares his thoughts on the unique contribution policy of SQLite and their personal experiences with disallowing contributions on their own projects.

Jan 3, 2024 • 36min
Rust Never Sleeps: Tonic with Lucio Franco
Lucio Franco, contributor to Tonic and the asynchronous Rust ecosystem, discusses the challenges of async Rust, his plan for getting a job in distributed databases, avoiding power dynamics in the Tokio team, problems in working on open-source in the corporate world, and why he encouraged a collaborator to go on without him.

Dec 20, 2023 • 43min
The Social Miracle: rqlite with Philip O’Toole
rqlite is a lightweight, distributed relational database built on Raft and SQLite. Founder Philip O’Toole (@general_order24) decided to combine these technologies while working at a startup years ago. The startup no longer exists, but rqlite is going strong. Today, Philip is an engineering manager at Google, while he continues to be the driving force behind the open development of rqlite.
Contributor is looking for a community manager! If you want to know more, shoot us an email at eric@scalevp.com.
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In this episode we discuss:
The biggest misconceptions about how rqlite differs from SQLite
Why writing databases is more interesting than new programmers might think
The tradeoff between a large community versus smaller, more focused leadership
Reasons why open-source development progresses in bursts of energy
How to really pronounce “rqlite”
Links:
rqlite
InfluxData
dqlite
Litestream
libSQL
Turso
OpenTelemetry
People:
Ben Johnson (@benbjohnson)
Other episodes:
libSQL with Glauber Costa

4 snips
Oct 17, 2023 • 33min
Community Driven IaC: OpenTofu with Kuba Martin
Kuba Martin, Software Engineering Team Lead at Spacelift and Interim Tech Lead of OpenTofu, the open-source fork of Terraform, discusses how OpenTofu handled licensing and copyright, benefits of a technical steering committee, recreating the community registry, and more.

Sep 13, 2023 • 32min
Postgres for Everything: Tembo with Ry Walker
Ry Walker (@rywalker) is the founder and CEO of Tembo, the Postgres developer platform for building any and every data service. To Ry, the full capabilities of Postgres appear underappreciated and underused for most users. Tembo is an attempt to harness the large ecosystem of Postgres extensions, and ultimately collapse the database sprawl of the modern data stack.
Contributor is looking for a community manager! If you want to know more, shoot us an email at eric@scalevp.com.
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In this episode we discuss:
Taking the “red pill” of using Postgres for everything
Providing universal support for Postgres extensions
Why Ry dislikes the current state of the modern data stack
How databases across the board have mostly changed into application platforms
What makes Tembo “Startup Mt. Everest”
Links:
Tembo
OSSRank
Citus Data
Modal
Supabase Wrappers
People mentioned:
Erik Bernhardsson (@bernhardsson)
Other episodes:
Clickhouse with Alexey Milovidov and Ivan Blinkov

11 snips
Aug 9, 2023 • 40min
Automation for Technical People: n8n with Jan Oberhauser
Jan Oberhauser, founder and CEO of n8n, brings his background in film effects to create a unique workflow automation tool. He discusses how n8n’s flexible architecture allows for complex automations and addresses the challenges of traditional automation tools. Jan explains the innovative 'fair-code license' that balances open-source ideals with project sustainability. He also shares insights on building a vibrant community around n8n, illustrating use cases from scheduling fitness classes to upgrading financial systems.

Jul 26, 2023 • 32min
The Big Fork: libSQL with Glauber Costa
Glauber Costa (@glcst) is the founder of Turso and the co-creator of libSQL, an open source, open contribution fork of the database engine library, SQLite. Most people believe that SQLite is open-source software, but it actually exists in the public domain and doesn’t accept external contributions. With their big fork, Glauber and his team have set out to evolve SQLite into a modern database with support for distributed data, an asynchronous interface, compatibility with WASM and Linux, and more.
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In this episode we discuss:
Community reactions to forking SQLite
How Glauber was spoiled by starting his career developing for Linux
The controversial decision to launch libSQL without writing a single line of code
The plan for incorporating upstream changes from SQLite
Examples of how application developers need to move code “to the edge”
Links:
libSQL
SQLite
Turso
LiteFS
Litestream
rqlite
VLCN
People mentioned:
Avi Kivity (@AviKivity)
Dor Laor (@DorLaor)
Ben Johnson (@benbjohnson)
Phillip O’Toole (@general_order24)
Matt Tantaman (@tantaman)
Other episodes:
Scylla with Dor Laor
Apache Cassandra with Patrick McFadin
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