elsa-workflows/elsa-core
Elsa is a workflow engine and AI copilot platform that provides a comprehensive API for managing workflow definitions, instances, and execution states. It supports dynamic workflow alterations, multi-language expression evaluation (C#, Python, JavaScript, Liquid), and real-time monitoring via structured logs and dashboards. The system also includes robust identity management, caching, and a modular feature architecture for extensibility.
62.5
Adequate · 5 August 2026
131k
lines of production code
C#
primary language
1
bus factor · 287 authors in all
2
measurements over time
How it got here
2018–2023 · Identity, API, and feature system overhaul
This period focused on establishing a robust identity and authentication layer, introducing a modular feature registration system, and expanding the REST API with comprehensive endpoints for users, roles, and workflow management. The team also standardized the build environment, added a new scripting DSL, and introduced workflow alteration capabilities to support runtime modifications.
109 changes
2024–2025 · Multi-tenancy and distributed runtime expansion
This period focused on establishing robust multi-tenancy support, including tenant lifecycle management, HTTP routing, and database isolation. The team also introduced a distributed workflow runtime for clustered deployments, added support for multiple expression languages (C#, JavaScript, Python, Liquid), and expanded the EF Core persistence layer to support various database providers.
56 changes
2026 · Shell architecture and AI integration
This period focused on implementing a modular 'Shell' architecture to decouple and organize core services, including identity, expressions, and persistence. Concurrently, the codebase introduced a new secrets management module and laid the groundwork for an AI Copilot feature, alongside expanding diagnostic and dashboard capabilities.
29 changes
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About this page
- The description of this project is derived from its own commit history, not from its README.
- The score is its highest published measurement, taken on 5 August 2026 at a pinned commit. It is not a live figure and does not change until the project is measured again.
- Measured at commit bd903f63dc — the exact code this score is about.
- Scored under rubric rubric-2026.08.19. Score the same commit under that rubric and you get the same number.