diff --git a/README.md b/README.md
index 8cdde4d..7366e2d 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,7 @@
 * [Stolon](https://github.com/sorintlab/stolon) - PostgreSQL HA based on Consul or etcd, with Kubernetes integration.
 * [pglookout](https://github.com/aiven/pglookout) - Replication monitoring and failover daemon.
 * [repmgr](https://github.com/2ndQuadrant/repmgr) - Open-source tool suite to manage replication and failover in a cluster of PostgreSQL servers.
-* [Slony-I](http://slony.info) - "Master to multiple slaves" replication system with cascading and failover.
+* [Slony-I](https://slony.info/) - "Master to multiple slaves" replication system with cascading and failover.
 * [PAF](https://github.com/ClusterLabs/PAF) - PostgreSQL Automatic Failover: High-Availibility for Postgres, based on Pacemaker and Corosync.
 * [SkyTools](https://github.com/pgq/skytools-legacy) - Replication tools, including PgQ, a queuing system, and Londiste, a replication system a bit simpler to manage than Slony.
 
@@ -77,7 +77,7 @@ For Database Management
 * [SQLPro for Postgres](http://macpostgresclient.com/) - Simple, powerful PostgreSQL manager for macOS (Commercial Software).
 * [temBoard](https://github.com/dalibo/temboard) - Web-based PostgreSQL GUI and monitoring.
 * [TablePlus](https://tableplus.com/) - Native App which let you edit database and structure. High-end security ensured (Commercial Software).
-* [DataRow](https://datarow.com/) - Cross-platform SQL Client for Amazon Redshift: Simple, Effortless, Extensible.
+* [DataRow](https://www.datarow.com/) - Cross-platform SQL Client for Amazon Redshift: Simple, Effortless, Extensible.
 * [Valentina Studio](https://www.valentina-db.com/en/valentina-studio-overview) - Cross-platform database administration tool (Free/Commercial)
 * [PostgresCompare](https://www.postgrescompare.com) - Cross-platform database comparison and deployment tool (Commercial Software).
 
@@ -160,6 +160,7 @@ for `EXPLAIN`, that also provides performance tips (Commercial Software).
 * [pgCenter](https://github.com/lesovsky/pgcenter) - Provides convenient interface to various statistics, management task, reloading services, viewing log files and canceling or terminating database backends.
 * [pg_chameleon](https://github.com/the4thdoctor/pg_chameleon) - Real time replica from MySQL to PostgreSQL with optional type override migration and migration capabilities.
 * [pgclimb](https://github.com/lukasmartinelli/pgclimb) - Export data from PostgreSQL into different data formats.
+* [pg_docs_bot](https://github.com/mchristofides/pg_docs_bot/) - Browser extension to redirect PostgreSQL docs links to the current version.
 * [pgfutter](https://github.com/lukasmartinelli/pgfutter) - Import CSV and JSON into PostgreSQL the easy way.
 * [PGInsight](http://pginsight.io/) - CLI tool to easily dig deep inside your PostgreSQL database.
 * [pg_insights](https://github.com/lob/pg_insights) - Convenient SQL for monitoring Postgres database health.
@@ -179,7 +180,7 @@ for `EXPLAIN`, that also provides performance tips (Commercial Software).
 * [sqitch](https://github.com/sqitchers/sqitch) - Tool for managing versioned schema deployment
 * [pgmigrate](https://github.com/yandex/pgmigrate) - CLI tool to evolve schema migrations, developed by Yandex.
 * [pgcmp](https://github.com/cbbrowne/pgcmp) - Tool to compare database schemas, with capability to accept some persistent differences
-* [pg-differ](https://github.com/av-dev/postgres-differ) - Tool for easy initialization / updating of the structure of PostgreSQL tables, migration alternative (Node.js).
+* [pg-differ](https://github.com/multum/pg-differ) - Tool for easy initialization / updating of the structure of PostgreSQL tables, migration alternative (Node.js).
 * [sqlcheck](https://github.com/jarulraj/sqlcheck) - Automatically detects common SQL anti-patterns. Such anti-patterns often slow down queries. Addressing them will, therefore, help accelerate queries.
 * [postgres-checkup](https://gitlab.com/postgres-ai/postgres-checkup) - a new-generation diagnostics tool that allows users to collect deep analysis of the health of a Postgres database.
 * [ScaffoldHub.io](https://scaffoldhub.io) - Generate fullstack PostgreSQL apps with Angular, Vue or React (Commercial Software). 
@@ -232,7 +233,7 @@ for `EXPLAIN`, that also provides performance tips (Commercial Software).
 ### Blogs
 * [Planet PostgreSQL](https://planet.postgresql.org/) - Blog aggregation service for PostgreSQL.
 * [Andrew Dunstan's PostgreSQL and Technical blog](http://adpgtech.blogspot.com/search/label/PostgreSQL/)
-* [Bruce Momjian's PostgreSQL blog](http://momjian.us/main/blogs/pgblog.html)
+* [Bruce Momjian's PostgreSQL blog](https://momjian.us/main/blogs/pgblog.html)
 * [Craig Kerstiens PostgreSQL posts](http://www.craigkerstiens.com/categories/postgres/) - Set of posts on PostgreSQL cool features, tips and tricks.
 * [Database Soup](http://www.databasesoup.com/search/label/postgresql/) - Josh Berkus' blog.
 * [Michael Paquier's blog](https://paquier.xyz/)