Fix some links

content/codes.md

@@ -22,7 +22,7 @@ toc: true
       Data request client written in Java
 - [IRIS-DMC: Web Services](http://service.iris.edu):
   - [clients](http://service.iris.edu/clients/)
-    - [Web Service Fetch scripts](https://seiscode.iris.washington.edu/projects/ws-fetch-scripts) |
+    - [Web Service Fetch scripts](https://github.com/EarthScope/fetch-scripts)
       [A note in Chinese](https://blog.seisman.info/web-service-fetch-scripts)
     - [MATLAB data access](http://ds.iris.edu/ds/nodes/dmc/software/downloads/irisFetch.m/)
   - [FDSNWS](http://service.iris.edu/fdsnws/)
@@ -74,7 +74,7 @@ toc: true
   A collection of software utilities for initial pre-processing of recorded data
 - [libmseed](https://github.com/EarthScope/libmseed): A miniSEED library that
   provides a framework for manipulation of SEED data records
-- [msmod](https://seiscode.iris.washington.edu/projects/msmod): A small program
+- [msmod](https://github.com/EarthScope/msmod): A small program
   to modify miniSEED header values
 - [mseed2sac](https://github.com/EarthScope/mseed2sac):
   Convert miniSEED format to SAC format
@@ -774,7 +774,7 @@ toc: true
 - Charles J. Ammon's RF codes:
   [An Overview of Receiver-Function Analysis](http://eqseis.geosc.psu.edu/cammon/HTML/RftnDocs/rftn01.html)
 - Jeffrey Park's RF codes:
-  - [Recfunk21](https://seiscode.iris.washington.edu/projects/recfunk21):
+  - [Recfunk21](https://github.com/RU21Seismology/Recfunk21):
     Computation of receiver functions and harmonic decomposition analysis.
     It supersedes previously released [recfunk09_pick](https://seiscode.iris.washington.edu/projects/recfunk09-pick)
     and [recfunk_ascii](https://seiscode.iris.washington.edu/projects/recfunk-ascii).

content/jobs.md

@@ -4,7 +4,7 @@ title: Jobs
 
 ### Job Boards
 
-- [Incorporated Research Institutions for Seismology (IRIS) Job Announcements](https://ds.iris.edu/message-center/topic/jobs)
+- [Incorporated Research Institutions for Seismology (IRIS) Job Announcements](https://groups.google.com/a/earthscope.org/g/jobs)
 - [American Geophysical Union (AGU) Career Center](https://findajob.agu.org/)
 - [Computational Infrastructure for Geodynamics (CIG) Jobs Postings](https://community.geodynamics.org/c/job-postings/)
 - [EarthWorks Jobs](https://www.earthworks-jobs.com)

content/tools.md

@@ -5,15 +5,9 @@ toc: true
 
 ## Science
 
-### General Tools
-
-- [Interactive periodic table of the elements](https://leonard-seydoux.github.io/periodic-table/)
 - [Periodic Table of Elements](https://www.ptable.com)
-
-### Seismology
-
 - [Animations of the free oscillations of the Earth](https://saviot.cnrs.fr/terre/index.en.html)
-- [IRIS Seismic Monitor](http://ds.iris.edu/seismon/index.phtml)
+- [IRIS Seismic Monitor](https://www.iris.edu/app/seismic-monitor/map)
 - [IRIS Station Monitor](https://www.iris.edu/app/station_monitor/)
 
 ## Computer
@@ -30,8 +24,8 @@ toc: true
 
 ### Python
 
-- [Flake8](https://flake8.pycqa.org/): Python style guide checker
 - [strftime](http://strftime.org/): Python strftime reference
+- [ruff](https://github.com/astral-sh/ruff): An extremely fast Python linter and code formatter, written in Rust.
 
 ## Document