250.000 endangered Mercurial repositories rescued!

When the popular Bitbucket code hosting platform decided to discontinue support for the Mercurial version control system, we announced that Software Heritage and Octobus were starting a collaboration to rescue and archive all 250.000 endangered public Mercurial repositories. This is a complex undertaking that requires deep expertise and involves various phases: rescuing all the repositories, […]

September 17, 2020

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Welcome to Software Heritage’s video channel

Subscribe to the video channel! At Software Heritage, we work hard to build the universal archive of software source code, and we want to keep you up to date on what’s new and help you make the most out of the archive. A few weeks ago, we were happy to introduce the Software Heritage Newsletter […]

July 23, 2020

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Intrinsic and Extrinsic identifiers

Building a solid web of knowledge that lasts over time is of paramount importance for academia. A key component of this are the links between the different research outputs, and for this reason references, citations, and various systems of identifiers have been used for centuries, well before the computer era. These systems of identifiers come […]

July 9, 2020

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Software Heritage gets a Newsletter

  Subscribe Source code is special: it’s executable knowledge that is meant to be human readable, by design. It’s an all time new in human history, and it deserves to become a first class citizen: as part of cultural heritage, as a pillar of Open Science in the scholarly world, as a key asset for […]

June 25, 2020

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Expanding coverage of the archive: welcome Nixpkgs!

Software Heritage’s long term goal is to archive the publicly available source code of all software ever written. To fulfill this mission it is essential to build adapters to track and ingest source code from the countless locations where it is made available. We are delighted to see growing awareness of the importance of this […]

June 18, 2020

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IPOL archives research software in Software Heritage

Supporting Open Science and reproducibility of research is part of our mission, and we are excited to announce that the Image Processing On Line journal (IPOL) has decided to deposit systematically in the Software Heritage archive all the software artifacts associated to the articles it publishes. IPOL is an Open Access research journal of image […]

June 11, 2020

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Citing software with style

Software, and software source code in particular, is a pillar of modern research, and a stepping stone for Open Science. It must be properly archived, referenced, described and cited in order to build a stable and long lasting corpus of scientific knowledge. Treating software as a first class citizen… And yet, for a long time […]

May 26, 2020

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Welcoming Sloan support to expand the Software Heritage archive

The mission of Software Heritage is to collect, preserve and share all the publicly available source code. With more than 7 billion source files from more than 120 million projects, the Software Heritage archive has the unique ability to retrace the detailed history of revisions of all versions of the code it contains. We are deligthed to announce a […]

May 20, 2020

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Growing adoption of Software Heritage Identifiers (SWHID)

Software Heritage is a long term effort to build a common infrastructure to collect, preserve and share the source code of all software publicly available. We are delighted to share some great news about the intrinsic identifiers, called SWHIDs, that the Software Heritage archive provides for the tens of billions of software artifacts that it […]

May 13, 2020

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Rescuing 250000+ endangered Mercurial repositories

A significant amount of publicly available source code is hosted free of charge on a variety of software development platforms, some of which have been and continue to be phased out for various reasons. Salvaging this code before it’s too late is one of the reasons why Software Heritage was born in the first place, […]

April 23, 2020

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