techno.md

@@ -9,6 +9,9 @@
 
 ## Technologies
 
+### Operating System
+* [NixOS]
+
 ### Data Management System
 * Small distributed relational databases: PostgreSQL
 * SPARQL endpoint to query the data
@@ -53,38 +56,39 @@
     * [Gitlab CI]
     * [TeamCity]
 
-  [postgresql]:https://www.postgresql.org/
-  [r2rml implementations]:https://www.w3.org/2001/sw/rdb2rdf/wiki/Implementations
-  [rdb2rdf working group]:https://www.w3.org/2001/sw/rdb2rdf/
-  [d2rq]:http://d2rq.org/
-  [r2d2]:http://aksw.org/Projects/R2D2.html
-  [openlink virtuoso]:https://virtuoso.openlinksw.com/
-  [rdf4j]:http://rdf4j.org/
-  [r2rml-api-rdf4j-bridge]:https://github.com/R2RML-api/R2RML-api
-  [allegrograph]:http://franz.com/agraph/allegrograph/
-  [marklogic]:http://www.marklogic.com/
-  [nodejs]:https://nodejs.org/en/
-  [mongodb]:https://www.mongodb.com/
-  [symfony]:https://symfony.com/
-  [cakephp]:https://cakephp.org/
-  [html5]:https://www.w3.org/TR/html5/
-  [css3 framework]:https://www.keycdn.com/blog/front-end-frameworks/
-  [sass]:http://sass-lang.com/
-  [less]:http://lesscss.org/
-  [javascript]:https://www.javascript.com/
-  [jquery]:https://jquery.com/
-  [elasticsearch]:https://www.elastic.co/
-  [kibana]:https://www.elastic.co/products/kibana
-  [d3]:https://d3js.org/
-  [jupyter]:https://jupyter.org/
-  [Apache HTTP Server]:https://httpd.apache.org/
-  [NGINX]:https://www.nginx.com/
-  [Jenkins]:https://jenkins.io/
-  [Travis]:https://travis-ci.org/
-  [Buildbot]:https://buildbot.net/
-  [Strider]:https://strider-cd.github.io/
-  [Gitlab CI]:https://about.gitlab.com/gitlab-ci/
-  [TeamCity]:https://www.jetbrains.com/teamcity/
-  [Apache Maven]:https://maven.apache.org/
-  [Apache Ant]:https://ant.apache.org/
-  [Gradle]:https://gradle.org/
+[NixOS]:https://nixos.org/
+[postgresql]:https://www.postgresql.org/
+[r2rml implementations]:https://www.w3.org/2001/sw/rdb2rdf/wiki/Implementations
+[rdb2rdf working group]:https://www.w3.org/2001/sw/rdb2rdf/
+[d2rq]:http://d2rq.org/
+[r2d2]:http://aksw.org/Projects/R2D2.html
+[openlink virtuoso]:https://virtuoso.openlinksw.com/
+[rdf4j]:http://rdf4j.org/
+[r2rml-api-rdf4j-bridge]:https://github.com/R2RML-api/R2RML-api
+[allegrograph]:http://franz.com/agraph/allegrograph/
+[marklogic]:http://www.marklogic.com/
+[nodejs]:https://nodejs.org/en/
+[mongodb]:https://www.mongodb.com/
+[symfony]:https://symfony.com/
+[cakephp]:https://cakephp.org/
+[html5]:https://www.w3.org/TR/html5/
+[css3 framework]:https://www.keycdn.com/blog/front-end-frameworks/
+[sass]:http://sass-lang.com/
+[less]:http://lesscss.org/
+[javascript]:https://www.javascript.com/
+[jquery]:https://jquery.com/
+[elasticsearch]:https://www.elastic.co/
+[kibana]:https://www.elastic.co/products/kibana
+[d3]:https://d3js.org/
+[jupyter]:https://jupyter.org/
+[Apache HTTP Server]:https://httpd.apache.org/
+[NGINX]:https://www.nginx.com/
+[Jenkins]:https://jenkins.io/
+[Travis]:https://travis-ci.org/
+[Buildbot]:https://buildbot.net/
+[Strider]:https://strider-cd.github.io/
+[Gitlab CI]:https://about.gitlab.com/gitlab-ci/
+[TeamCity]:https://www.jetbrains.com/teamcity/
+[Apache Maven]:https://maven.apache.org/
+[Apache Ant]:https://ant.apache.org/
+[Gradle]:https://gradle.org/