diff --git a/README.md b/README.md
index 6c46b2de0..21e97b73e 100644
--- a/README.md
+++ b/README.md
@@ -119,6 +119,13 @@ argmin is designed to simplify the implementation of optimization algorithms and
 - Simulated Annealing
 - Particle Swarm Optimization
 
+### External solvers compatible with argmin
+
+External solvers which implement the `Solver` trait are compatible with argmins `Executor`, 
+and as such can leverage features like checkpointing and observers. 
+
+- [egobox](https://crates.io/crates/egobox-ego)
+
 
 ## License
 
diff --git a/argmin/src/lib.rs b/argmin/src/lib.rs
index c69e6dacd..b971ae55f 100644
--- a/argmin/src/lib.rs
+++ b/argmin/src/lib.rs
@@ -81,6 +81,13 @@
 //!
 //! - [Particle Swarm Optimization](`crate::solver::particleswarm::ParticleSwarm`)
 //!
+//! ## External solvers compatible with argmin
+//!
+//! External solvers which implement the `Solver` trait are compatible with argmins `Executor`,
+//! and as such can leverage features like checkpointing and observers.
+//!
+//! - [egobox](https://crates.io/crates/egobox-ego)
+//!
 //! # License
 //!
 //! Licensed under either of