Update waiting-room.md

Author: krzjoa

other/waiting-room.md

@@ -31,6 +31,12 @@
 * [chainer_sklearn](https://github.com/corochann/chainer_sklearn) - Sklearn (Scikit-learn) like interface for Chainer. ![alt text][skl]
 * [Aorun](https://github.com/ramon-oliveira/aorun) - Intend to implement an API similar to Keras with PyTorch as backend. <img height="20" src="img/pytorch_big2.png" alt="PyTorch based/compatible">
 
+### Probabilistic Methods
+* [sampled](https://github.com/ColCarroll/sampled) - Decorator for reusable models in PyMC3.
+* [Edward](http://edwardlib.org/) - A library for probabilistic modeling, inference, and criticism. <img height="20" src="img/tf_big2.png" alt="sklearn">
+* [Aboleth](https://github.com/data61/aboleth) - A bare-bones TensorFlow framework for Bayesian deep learning and Gaussian process approximation. <img height="20" src="img/tf_big2.png" alt="sklearn">
+* [skggm](https://github.com/skggm/skggm) - Estimation of general graphical models. <img height="20" src="img/sklearn_big.png" alt="sklearn">
+
 ### Data Manipulation
 * [alexander](https://github.com/annoys-parrot/alexander) ![alt text][skl] ![alt text][pd] - wrapper that aims to make scikit-learn fully compatible with pandas
 * [Fuel](https://github.com/mila-udem/fuel) - Data pipeline framework for machine learning.