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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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Definition of the Viper intermediate verification language.
Scala
101
53
Symbolic-execution-based verifier for the Viper intermediate verification language.
Scala
152
46
Verification-condition-generation-based verifier for the Viper intermediate verification language.
Scala
40
25
HTTP server that manages verification requests to different tools from the Viper tool stack.
Scala
16
19
Gobra is an automated, modular verifier for Go programs, based on the Viper verification infrastructure.
Scala
236
45
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Showing 10 of 84 repositories
viperproject/gobra-ide's past year of commit activity
TypeScript
11
4
3
1
Updated Nov 12, 2026
helium
Public
A Rust parser for Viper
viperproject/helium's past year of commit activity
Rust
8
MPL-2.0
1
2
25
Updated Nov 11, 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
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
19
5
8
Updated Nov 11, 2026
silicon
Public
Symbolic-execution-based verifier for the Viper intermediate verification language.
viperproject/silicon's past year of commit activity
carbon
Public
Verification-condition-generation-based verifier for the Viper intermediate verification language.
viperproject/carbon's past year of commit activity
Scala
40
MPL-2.0
25
152
12
Updated Nov 11, 2026
silver
Public
Definition of the Viper intermediate verification language.
viperproject/silver's past year of commit activity
viperproject/locate-java-home's past year of commit activity
TypeScript
3
9
0
2
Updated Nov 2, 2026
viperproject/vs-verification-toolbox's past year of commit activity
TypeScript
6
MPL-2.0
2
1
1
Updated Nov 1, 2026
create-nightly-release
Public
GitHub action to create a new pre-release and delete old pre-releases created by this action
viperproject/create-nightly-release's past year of commit activity
TypeScript
10
1
0
0
Updated Nov 1, 2026