diff --git a/README.md b/README.md
index f1c6e18..0d0ac80 100755
--- a/README.md
+++ b/README.md
@@ -269,6 +269,7 @@ Inspired by [Awesome Deep Learning](https://github.com/ChristosChristofidis/awes
 -   [Northeastern University Network Science Institute](http://www.networkscienceinstitute.org/) - Features a PhD in Network Science program.
 -   [Northeastern University Center for Complex Network Research](http://www.barabasilab.com/) - Led by Albert-László Barabási.
 -   [Northeastern University MOBS Lab - Laboratory for the Modeling of Biological and Socio-technical Systems](http://www.mobs-lab.org/) - Led by Alessandro Vespignani.
+-   [Pacific Ecoinformatics and Computational Ecology Lab](http://foodwebs.org/) - Non-profit study group of ecological networks ("food webs").
 -   [Peter J. Mucha’s Research Group at the University of North Carolina at Chapel Hill](http://mucha.web.unc.edu/networks/).
 -   [Social Network Analysis Group @ Stanford](http://sna.stanford.edu/).
 -   [Warren Center for Network & Data Sciences at the University of Pennsylvania](http://warrencenter.upenn.edu/).
@@ -601,6 +602,7 @@ Inspired by [Awesome Deep Learning](https://github.com/ChristosChristofidis/awes
 -   [networkD3](http://christophergandrud.github.io/networkD3/) - D3 JavaScript network graphs from R.
 -   [ndtv](https://cran.r-project.org/web/packages/ndtv/) - Tools to construct animated visualizations of dynamic network data in various formats.
 -   [netdiffuseR](https://cran.r-project.org/web/packages/netdiffuseR/) - Tools to analyze the network diffusion of innovations.
+-   [NetSim](http://www.christoph-stadtfeld.com/netsim/) - Simulate and combine micro-models to research their impact on the macro-features of social networks.
 -   [network](https://cran.r-project.org/web/packages/network/) - Basic tools to manipulate relational data in R.
 -   [networkdiffusion](https://github.com/chengjun/networkdiffusion) - Simulate and visualize basic epidemic diffusion in networks.
 -   [networkDynamic](https://cran.r-project.org/web/packages/networkDynamic/) - Support for dynamic, (inter)temporal networks.