Edicolab, developed within the iForal project, presents an innovative collaborative editing platform for historical manuscripts. In the realm of Digital Humanities, crafting electronic editions involves intricate annotation of textual corpuses. Edicolab addresses the challenge of inconsistent tagging by employing the Text Encoding Initiative (TEI) standard, ensuring uniformity in edits. The platform facilitates multidisciplinary collaboration, offering features like a TEI text editor, collaborative document editing, high-resolution image viewing, and a consultable glossary. By integrating functionalities seamlessly, Edicolab enhances the efficiency of scholars in producing critical editions, promoting accessibility to the general public. This article delves into its architecture, technologies, and implementation, outlining its significance in the digital scholarly landscape