Tropy is a free tool you can use to manage your research photos.  With Tropy you can file, annotate, tag, search, and export images.  Download the software from Tropy.org.

A handy guide from Harvard Libraries with tips for using Zotero to organize manuscript and archival sources:  Zotero for Archival Research

The Spanish Paleography Digital Teaching and Learning Tool is an online interactive resource to assist users in learning how to decipher and read manuscripts written in Spanish during the early modern period, roughly from the late 15th to the 18th century.

"Transkribus is the European Union READ project's comprehensive platform for the automated recognition, transcription and searching of historical documents.  The main objective of Transkribus is to support users who are engaged in the transcription of printed or handwritten documents, namely humanities scholars, archives, volunteers and computer scientists."  Download it for free from the Transkribus website.

Read about Transkribus on the blog of the National Archives  of the UK.

"TeachArchives.org is an innovative resource for teachers, administrators, librarians, archivists, and museum educators. It offers sample exercises and informative articles based on a new approach to teaching in the archives."

FromThePage is a crowdsourcing platform for archives and libraries where volunteers transcribe, index, and describe historic document.  Sign up to transcribe historical documents as a volunteer, create classroom transcribing projects, or upload documents from your archive for crowd-sourced transcription.