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Research dossier · Science & Nature

Open Source Software Institute

non-profit that promotes open-source software solutions in US government agencies

Specimen drawers, botanical folios and brass scientific instruments under study light
Science and natureInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJun 16, 2026
Entity authorityQ7096225 ↗
Source-derived summary

The Open Source Software Institute (OSSI) is a U.S.-based 501(c)(6), non-profit organization whose mission is to promote the development and implementation of open-source software solutions within US Federal, state and municipal government agencies.

History

OSSI was established in 2000 and has focused on strategic initiatives to promote the adoption of open source within US Department of Defense and Department of Homeland Security.

Projects

Efforts include securing the Federal Information Processing Standards FIPS 140-2 validation for the OpenSSL cryptographic module library, participation in development of the U.S. Navy's Open Source Guidance Document, securing the Open Source Corporate Management Information System (OSCMIS) with the Defense Information Systems Agency, and working with the Department of Homeland Security's Science and Technology Directorate to establish and implement the Homeland Open Security Technology (HOST) program, which promotes open security.

See also

Open Solutions Alliance

Open Source Initiative

References

Further reading

Marsan, Carolyn Duffy (2009-04-27). "Military enlists open source community". NetworkWorld. Retrieved 2022-03-13.

Weathersby, John M (June 2007). "Open Source Software and the Long Road to Sustainability within U.S. DoD IT System". DoD Software Tech News.

Editorial summary

Begin with the source’s own compact description: “Open Source Software Institute” is non-profit that promotes open-source software solutions in US government agencies. The dossier treats that line as a proposition to test through Source, Software and Institute, not as a finished interpretation.

Editorial reviewA practical orientation to terminology and classification, particularly when read beside dated observations, specimens or technical literature. The current lead gives the account dated anchors—2000, 2009, 2022, 2007—that can be checked directly. The linked authority record independently contributes the date 2000. For this dossier, Source, Software and Institute is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “non-profit that promotes open-source software solutions in US government agencies” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.

Evidence profile

Stable identifiers, scientific names and standards terminology offer the best bridge between this overview and specialist evidence. The source revision retrieved here is dated Jun 16, 2026. The linked authority identifier is Q7096225. 1 of 3 selected statements include explicit references; 2 carry qualifiers and 0 use preferred rank. The first chronological checks are 2000, 2009, 2022 and 2007.

Critical limits

Scientific names, classifications and consensus can change while older terminology persists in catalogues and historical literature. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Check terminology, classification and the date of the cited evidence. Scientific names and technical consensus can change while older records retain historical value.

Best used for
  • Current terminology
  • Classification context
  • Finding cited technical literature
Verify next

Primary datasets, specimen catalogues, standards bodies and the most recent peer-reviewed literature.

Three-step research path

  1. Establish the record: confirm the title “Open Source Software Institute”, its source revision and the description used here.
  2. Expand the search: follow Open Source Software Institute primary sources, Open Source Software Institute archive and Source research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Open Source Software Institute”?
  2. Is the terminology current, historical or disputed?
  3. Which observation, specimen, dataset or publication supports the account?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from “Open Source Software Institute” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.