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@viperproject

Viper Project

Verification Infrastructure for Permission-​based Reasoning
README.md

Viper (Verification Infrastructure for Permission-​​based Reasoning) is a language and suite of tools developed at ETH Zurich, providing an architecture on which new verification tools and prototypes can be developed simply and quickly.

Official project webpage: viper.ethz.ch

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  1. silver silver Public

    Definition of the Viper intermediate verification language.

    Scala 92 48

  2. silicon silicon Public

    Symbolic-execution-based verifier for the Viper intermediate verification language.

    Scala 126 36

  3. carbon carbon Public

    Verification-condition-generation-based verifier for the Viper intermediate verification language.

    Scala 34 23

  4. prusti-dev prusti-dev Public

    A static verifier for Rust, based on the Viper verification infrastructure.

    Rust 1.7k 121

  5. viperserver viperserver Public

    HTTP server that manages verification requests to different tools from the Viper tool stack.

    Scala 15 16

  6. gobra gobra Public

    Gobra is an automated, modular verifier for Go programs, based on the Viper verification infrastructure.

    Scala 146 36

Repositories

Showing 10 of 86 repositories
  • silver Public

    Definition of the Viper intermediate verification language.

    viperproject/silver’s past year of commit activity
    Scala 92 MPL-2.0 48 101 19 Updated Jan 15, 2026
  • silicon Public

    Symbolic-execution-based verifier for the Viper intermediate verification language.

    viperproject/silicon’s past year of commit activity
    Scala 126 MPL-2.0 36 111 12 Updated Jan 15, 2026
  • gobra Public

    Gobra is an automated, modular verifier for Go programs, based on the Viper verification infrastructure.

    viperproject/gobra’s past year of commit activity
    Scala 146 36 146 17 Updated Jan 15, 2026
  • viperserver Public

    HTTP server that manages verification requests to different tools from the Viper tool stack.

    viperproject/viperserver’s past year of commit activity
    Scala 15 16 3 6 Updated Jan 15, 2026
  • carbon Public

    Verification-condition-generation-based verifier for the Viper intermediate verification language.

    viperproject/carbon’s past year of commit activity
    Scala 34 MPL-2.0 23 149 11 Updated Jan 15, 2026
  • gobra-ide Public

    VSCode Plugin for Gobra

    viperproject/gobra-ide’s past year of commit activity
    TypeScript 11 4 4 3 Updated Jan 15, 2026
  • viper-ide Public

    This is the main repository for the Viper IDE extension for VS Code.

    viperproject/viper-ide’s past year of commit activity
    TypeScript 12 MPL-2.0 11 11 9 Updated Jan 15, 2026
  • ReusableProtocolVerificationLibrary Public
    viperproject/ReusableProtocolVerificationLibrary’s past year of commit activity
    Go 3 0 0 0 Updated Jan 14, 2026
  • gobra-libs Public

    Standard library for the Gobra verifier for Go. Contains definitions and lemmas useful for verifying large projects.

    viperproject/gobra-libs’s past year of commit activity
    Python 2 MIT 2 5 0 Updated Jan 12, 2026
  • VerifiedSCION Public

    Verifying the SCION architecture using Gobra

    viperproject/VerifiedSCION’s past year of commit activity
    Go 11 Apache-2.0 5 9 6 Updated Jan 2, 2026
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