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Welcome to the website of TVL LLC, the corporate face of the TVL Community. We are a technology company headquartered in Moscow, working with a variety of topics:

• Monorepos. Effective ways for an organisation to structure their internal codebase in a single repository, unify tooling across languages, and reduce accidental complexity in software development.

  With experience from companies like Google, Spotify and DeepMind, we help organisations of different sizes to find streamlined software development workflows that reduce mental load and increase code quality.

  We use our own monorepo solutions in our internal software development flows, and all of this is visible in our public monorepo.

• Nix. We believe that functional and declarative computer systems are a massive and as-of-yet underrated step forward for computing, and that Nix is the most promising solution for this purpose.

  Nix allows companies to significantly improve in areas such as:

  1. Unification of development and production environments, leading to fewer surprises when deploying an application.

  2. Tailoring their stack to their use-case. Avoid the complexity of running something like Kubernetes while you are scaling up, but also avoid the complexity of rewriting your infrastructure stack once you need it.

  3. Unified developer tooling across different programming languages, without the overhead of using something like Bazel.

  Its radically new model can bring many other advantages which depend on the exact use-cases.

• Software development. We offer a wide range of software development services. Whether you need existence with existing projects, or want to create a new solution from scratch, we can help. We specialize in helping organizations avoid the trap of building overly complex systems that don't meet their needs.

• Site Reliability Engineering (SRE). We can help with many infrastructure concerns, such as deployment, scaling, monitoring, troubleshooting analysing failure points in existing solutions. We offer this for any Linux-based technology stack.

We support open-source software development, and prefer to work on our projects in the open. Some of our projects are:

• The public TVL monorepo, the depot, is a demonstration of the monorepo tooling we have been working on for the last couple of years.

  It contains many open-source projects, work by lots of international open-source contributors, and all public code of the company.

• Tvix, a new implementation of Nix that is fully compatible with existing Nix code. Architectural differences between Nix and Tvix allow us to develop tooling that is better tailored to collaborative software development, and to develop domestic, high-quality solutions for CI/CD.

  We run a demonstration of some parts of Tvix online as [tvixbolt].

• Nixery is a service that lets users easily build and deploy ad-hoc container images from their software build definitions.

• Out of personal interest, we also develop free tools that help with learning the Russian language, such as Предложник.

Reach out to us at contact@tvl.su if you are interested in working with us.

TVL originated as an international community of software developers that wanted to socialise and collaborate on projects. Many people from all over the world contribute to our open-source software projects. Check out the TVL community website for more information.