diff --git a/raw_data/url_list.csv b/raw_data/url_list.csv
index 6f856fc..e97dc48 100644
--- a/raw_data/url_list.csv
+++ b/raw_data/url_list.csv
@@ -181,9 +181,9 @@ Vasicek,https://github.com/RobinsonGarcia/fixed-income/blob/master/2.0%20Vasicek
 AlphaPy,https://github.com/ScottfreeLLC/AlphaPy,machine learning framework built on sklearn and pandas. Support pyfolio/xgboost/lightgmb/catboost(gradient boosting on decision tress) etc. Examples include financial market prediction/sports prediction/kaggle. Configurations are set though yaml file for all model process including feature selection/grid search on parameters and aggregate results for each model,Other Models,4/4/21 20:02,576,130,3,2/14/16 0:47,2/8/21 21:35,ScottfreeLLC/AlphaPy,active,4,39:24.6
 Awesome-Quant-Machine-Learning-Trading,https://github.com/grananqvist/Awesome-Quant-Machine-Learning-Trading,curated list of books/online courses/youtube videos/blogs/interviews/papers/code etc. Updates are pretty infrequent,Other Models,4/10/21 13:38,1005,319,3,11/5/18 21:09,10/8/20 16:48,grananqvist/Awesome-Quant-Machine-Learning-Trading,active,5,39:24.6
 MathAndScienceNotes,https://github.com/melling/MathAndScienceNotes,Collections of news/articles on various topics including quant trading and machine learning. Some articles are from [ycombinator message board](https://news.ycombinator.com/news) and [rediit algotrading forum](https://www.reddit.com/r/algotrading/),Other Models,4/12/21 0:49,460,54,1,3/11/16 19:13,12/21/20 3:54,melling/MathAndScienceNotes,active,3,39:24.6
-botflow,https://github.com/kkyon/botflow,NEW,Other Models,3/31/21 10:56,1165,102,8,8/20/18 3:13,5/23/19 14:40,kkyon/botflow,active,,39:24.6
-surpriver,https://github.com/tradytics/surpriver,NEW,Other Models,4/12/21 12:27,1189,221,6,8/30/20 7:56,9/21/20 4:32,tradytics/surpriver,active,,39:24.6
-Pattern-Recognition-for-Forex-Trading,https://github.com/PythonProgramming/Pattern-Recognition-for-Forex-Trading,NEW,Other Models,4/5/21 3:23,173,91,1,3/26/15 2:22,3/26/15 2:33,PythonProgramming/Pattern-Recognition-for-Forex-Trading,inactive,,39:24.6
+botflow,https://github.com/kkyon/botflow,python dataflow programming framework. Similar and probably replaceable by sklearn.pipeline module. Uses [graphviz](https://graphviz.org/) for visiualization though not maintained with last commit over 3 years ago,Other Models,3/31/21 10:56,1165,102,8,8/20/18 3:13,5/23/19 14:40,kkyon/botflow,inactive,2,39:24.6
+surpriver,https://github.com/tradytics/surpriver,Machine learning algo to detect anomaly in equities data. Uses sklearn [IsolationForest](https://scikit-learn.org/stable/modules/generated/sklearn.ensemble.IsolationForest.html) model and price/volume based technical signals as features using [ta](https://github.com/bukosabino/ta) library. Opensourced by [tradytics](https://tradytics.com/). Code structures are less extensible,Other Models,4/12/21 12:27,1189,221,6,8/30/20 7:56,9/21/20 4:32,tradytics/surpriver,active,3,39:24.6
+Pattern-Recognition-for-Forex-Trading,https://github.com/PythonProgramming/Pattern-Recognition-for-Forex-Trading,NEW,Other Models,4/5/21 3:23,173,91,1,3/26/15 2:22,3/26/15 2:33,PythonProgramming/Pattern-Recognition-for-Forex-Trading,inactive,2,39:24.6
 awesome-ai-in-finance,https://github.com/georgezouq/awesome-ai-in-finance,NEW,Other Models,4/11/21 7:43,941,162,8,8/29/18 2:07,11/27/20 9:43,georgezouq/awesome-ai-in-finance,active,,39:24.6
 Microservices-Based-Algorithmic-Trading-System,https://github.com/saeed349/Microservices-Based-Algorithmic-Trading-System,NEW,Other Models,4/10/21 12:59,104,56,0,1/6/20 0:21,3/31/20 13:02,saeed349/Microservices-Based-Algorithmic-Trading-System,active,,39:24.6
 Machine-Learning-for-Algorithmic-Trading-Bots-with-Python,https://github.com/PacktPublishing/Machine-Learning-for-Algorithmic-Trading-Bots-with-Python,NEW,Other Models,4/11/21 6:02,172,94,5,12/6/18 11:35,1/18/21 6:40,PacktPublishing/Machine-Learning-for-Algorithmic-Trading-Bots-with-Python,active,,39:24.6