The ArchivesSpace project is pleased to announce a Request For Proposals for individuals or firms for the development of ArchivesSpace, an open source software application that combines the functional strengths of the two leading American archival collection management systems: Archon (http://archon.org) and the Archivists' Toolkit (http://archiviststoolkit.org/). The successful Respondent will work with the ArchivesSpace project's technical review team, comprised of a technical architect, professional archivists, advising developers, and build and release managers. The full text of the RFP can be found at: http://www.archivesspace.org/wp-content/uploads/2011/09/ArchivesSpace-RFP-Final.pdf Potential respondents are encouraged to join the ArchivesSpace discussion list, which can be found at: http://groups.google.com/group/archivesspace Questions must be received by 5:00PM EDT, Friday, September 16, 2011 and should be sent via email to Mark Matienzo, ArchivesSpace Technical Architect ([log in to unmask]), and Katherine Kott, ArchivesSpace Development Manager ([log in to unmask]). Please format the subject line with the phrase "Question re: ArchivesSpace RFP - [overview of question]". An email response or status of response will be provided by 5:00PM EDT, Friday September 23, 2011. Questions and answers will be sent to all known participants in the RFP. Proposals are due by 5:00PM EDT, Friday, October 14, 2011. Proposals should be sent via email to Mark Matienzo, ArchivesSpace Technical Architect ([log in to unmask]), and Katherine Kott, ArchivesSpace Development Manager ([log in to unmask]). Please format the subject line with the phrase "ArchivesSpace Proposal - [Business/firm name of respondent]". ArchivesSpace is supported by a grant from the Andrew W. Mellon Foundation and is a partnership between the New York University Libraries, the UC San Diego Libraries, and the University Library of the University of Illinois at Urbana-Champaign. More information about the project can be found on the project's website at http://archivesspace.org/. Mark A. Matienzo <[log in to unmask]> Technical Architect, ArchivesSpace