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ArcCommander 1.0.2, released by DataPLANT, is a lightweight Windows utility designed to create, validate, and synchronize Annotated Research Contexts (ARCs)—structured, FAIR-compliant research data packages that bundle data, workflows, and metadata into a single, version-controlled folder. Built for scientists who need reproducible data management without leaving the desktop, the application exposes a command-line interface that converts file system actions into standardized ARC operations: initializing a new ARC, registering it with a DataPLANT registry, checking metadata consistency against community schemas, pushing incremental updates to remote repositories, or cloning an existing ARC for collaborative editing. Typical use cases range from single-lab sequencing projects that require persistent identifiers and citation-ready metadata to multi-site consortia that exchange large omics datasets together with Snakemake or Nextflow workflows. Because each ARC is a plain directory under Git versioning, researchers can attach it to any Git-enabled platform while ArcCommander handles the boilerplate branch management and annotation files. The program belongs to the “Science / Data Management” software category and is offered in two concurrent versions: the stable 1.0.2 release for production projects and an earlier 1.0.1 build retained for compatibility testing. Both editions ship as a portable executable plus Windows Package Manager manifest, allowing silent enterprise rollout. ArcCommander is available for free on get.nero.com, with downloads provided via trusted Windows package sources such as winget, always delivering the latest version, and supporting batch installation of multiple applications.
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