* [Open Policy Agent v1.19.0](https://github.com/open-policy-agent/opa) – General-purpose policy engine for unified, context-aware policy enforcement across various systems.

* [GolemUI v1.4.0](https://github.com/golemui/golemui) – Declarative form engine that defines schema-validated JavaScript forms and renders the same definition across React, Angular, Lit, Vue, and vanilla JS.

* [Dalec v0.22.0](https://github.com/project-dalec/dalec) – Declarative format and toolchain for building secure system packages and containers with SBOMs and provenance attestations.

* [Tres @tresjs/rapier@1.0.0](https://github.com/Tresjs/tres) – Three.js-based declarative scene creation using Vue components.

* [vendir v0.46.1](https://github.com/carvel-dev/vendir) – Declaratively vendor portions of git repositories, GitHub releases, Helm charts and Docker image contents into a directory.

* [Solid v2.0.0-rc.0](https://github.com/solidjs/solid) – Declarative JavaScript UI library that compiles templates to real DOM nodes and uses fine-grained reactions for efficient updates.

* [kapp-controller v0.60.5](https://github.com/carvel-dev/kapp-controller) – Kubernetes-native continuous delivery and package management using custom resources.

* [mcpd v0.5.2](https://github.com/mozilla-ai/mcpd) – Daemon that manages MCP servers via declarative configuration, exposing them as HTTP endpoints while handling lifecycle management, secret injection, and environment promotion.

* [SQLAlchemy Declarative Extensions v0.16.10](https://github.com/DanCardin/sqlalchemy-declarative-extensions) – Declaratively define database object types not covered by core SQLAlchemy, enabling creation and Alembic autogeneration of those objects.