Cloudflare Acquires Deno to Advance Workers Programming Model

Cloudflare Acquires Deno to Advance Workers Programming Model

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TL;DR

Visualization of open source runtime infrastructure and developer tools
Deno recently launched celld, an open source implementation of the Cloudflare Workers architecture.
  • Acquisition Announced: Cloudflare announced on Friday that it is acquiring Deno, the startup behind the programming runtime of the same name.
  • Improving Workers: Cloudflare plans to use the acquisition to improve its Workers programming model and platform, which allows customers to build and run software on Cloudflare’s network.
  • Mainstream Server Development: Ryan Dahl, co-founder of Deno and creator of Node.js, stated his team is joining Cloudflare to make the Workers programming model a mainstream way to build servers.
  • Open Source Commitment: Cloudflare Workers principal engineer Kenton Varda welcomed Deno's open-source Workers implementation, celld, stating that providing open source escape hatches is good business and rejecting theories of intentional platform lock-in.
  • Financial Details: Terms of the acquisition were not disclosed. Deno had previously raised a total of $26 million, including a Series A led by Sequoia.

Cloudflare Announces Acquisition of Deno

Graphic illustrating technology acquisitions and venture capital investment
Deno had raised $26 million in venture backing, including a Series A led by Sequoia, prior to the transaction.

Cloudflare announced on Friday that it is acquiring Deno, the startup behind the programming runtime of the same name. The deal brings together the cloud infrastructure company and the team responsible for developing Deno's runtime software.

Conceptual illustration of cloud runtime architecture and global edge network
Cloudflare plans to use the Deno acquisition to enhance its Workers platform and programming model.

According to the report, the financial terms of the acquisition were not disclosed. Prior to the agreement, Deno had raised a total of $26 million in funding, including a Series A round led by Sequoia.

Improving the Workers Programming Model and Platform

According to Kenton Varda, principal engineer for Cloudflare Workers, Cloudflare will use this acquisition to improve its Workers programming model and platform. The Workers platform allows customers to build and run software directly on Cloudflare’s network.

By bringing the Deno team on board, Cloudflare intends to refine and enhance the developer experience on its platform, supporting how software is built and executed across its network.

Open Source Alignment and celld

Deno was co-founded by Bert Belder and Node.js creator Ryan Dahl. The startup recently launched celld, an open source implementation of Workers, a milestone that Varda wrote “delighted” the Cloudflare team.

Addressing developer discussions regarding cloud architectures, Varda challenged what he noted as “a popular theory” that the company “made Cloudflare Workers work differently from other cloud platforms in order to create ‘lock-in.’” Varda stated that Cloudflare believes “being open source and giving people an escape hatch is good business.”

Making Workers a Mainstream Server Standard

Ryan Dahl expressed high ambitions for the team's next phase at Cloudflare. Dahl wrote that his team is “joining Cloudflare to make the Workers programming model a mainstream way to build servers.”

The move aims to establish the Workers programming paradigm as a standard, accessible approach for engineers designing server-side applications.

Deno Funding and Background

Co-founded by Dahl and Belder, Deno was established as an independent startup focused on runtime development. Over its funding history, the company secured $26 million in backing, highlighted by a Series A round led by venture firm Sequoia.

Following the acquisition, Deno's team will work directly with Cloudflare on expanding the reach and capabilities of the Workers platform.

Frequently Asked Questions

Why is Cloudflare acquiring Deno?

According to Cloudflare principal engineer Kenton Varda, Cloudflare will use this acquisition to improve its Workers programming model and platform, which allows customers to build and run software on Cloudflare’s network.

Who founded Deno?

Deno was co-founded by Bert Belder and Node.js creator Ryan Dahl.

What is celld?

Celld is an open source implementation of Cloudflare Workers that was recently launched by Deno.

What were the financial terms of the acquisition?

The financial terms of the acquisition were not disclosed.

How much funding had Deno raised prior to the acquisition?

Deno had raised a total of $26 million, including a Series A round led by Sequoia.

Sources & Further Reading

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