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@viperproject

Viper Project

Verification Infrastructure for Permission-​based Reasoning

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 95 48

  2. silicon silicon Public

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

    Scala 130 38

  3. carbon carbon Public

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

    Scala 37 23

  4. prusti-dev prusti-dev Public

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

    Rust 1.8k 125

  5. viperserver viperserver Public

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

    Scala 16 16

  6. gobra gobra Public

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

    Scala 151 37

Repositories

Showing 10 of 86 repositories
  • VerifiedSCION Public

    Verifying the SCION architecture using Gobra

    viperproject/VerifiedSCION’s past year of commit activity
    Go 11 Apache-2.0 5 9 8 Updated Mar 16, 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 151 37 153 16 Updated Mar 16, 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 16 16 3 7 Updated Mar 16, 2026
  • silicon Public

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

    viperproject/silicon’s past year of commit activity
    Scala 130 MPL-2.0 38 112 11 Updated Mar 16, 2026
  • vs-verification-toolbox Public

    Useful component to build VS Code extensions for verifiers.

    viperproject/vs-verification-toolbox’s past year of commit activity
    TypeScript 5 MPL-2.0 2 1 1 Updated Mar 16, 2026
  • gobra-ide Public

    VSCode Plugin for Gobra

    viperproject/gobra-ide’s past year of commit activity
    TypeScript 11 4 4 2 Updated Mar 16, 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 13 MPL-2.0 11 11 10 Updated Mar 15, 2026
  • verified_go_stdlib Public

    Verification of parts of the Go Standard Library

    viperproject/verified_go_stdlib’s past year of commit activity
    Go 1 BSD-3-Clause 1 0 3 Updated Mar 11, 2026
  • program-proofs-gobra Public

    Examples and exercises from the book Program Proofs translated to Gobra

    viperproject/program-proofs-gobra’s past year of commit activity
    6 1 1 0 Updated Mar 10, 2026
  • silver Public

    Definition of the Viper intermediate verification language.

    viperproject/silver’s past year of commit activity
    Scala 95 MPL-2.0 48 103 19 Updated Mar 10, 2026