diff --git a/docs/phasor_approach.rst b/docs/phasor_approach.rst
index e6f23600..6104e7b8 100644
--- a/docs/phasor_approach.rst
+++ b/docs/phasor_approach.rst
@@ -155,7 +155,10 @@ approach to analyze fluorescence time-resolved or spectral images:
hyperspectral images.
Many `tutorials `_ are available.
-- `Spectral Phasor PlugIn `_
+-
+ .. _phasor_plugins:
+
+ `Spectral Phasor PlugIn `_
and
`Time Gated Phasor PlugIn `_
are open-source ImageJ plugins by Farzad Fereidouni, which provide
@@ -163,85 +166,144 @@ approach to analyze fluorescence time-resolved or spectral images:
images using the phasor approach. The software is distributed under an
unknown license and was last updated in 2013.
-- `Napari-flim-phasor-plotter `_
+-
+ .. _napari_flim_phasor_plotter:
+
+ `Napari-flim-phasor-plotter `_
is a napari plugin to interactively load and show raw FLIM single images
and series and generate phasor plots.
-- `Napari-live-flim `_
+-
+ .. _napari_live_flim:
+
+ `Napari-live-flim `_
is a napari plugin for real-time TCSPC-FLIM analysis based on FLIMLib.
The plugin is distributed under the GPLv3 license.
-- `HySP `_
+-
+ .. _hysp:
+
+ `HySP `_
is a free, closed-source, multi-platform desktop application developed by
Francesco Cutrale for the analysis of multi-dimensional, hyper- and
multi-spectral data using the phasor approach.
-- `FLUTE `_,
+-
+ .. _flute:
+
+ `FLUTE `_,
the Fluorescence Lifetime Ultimate Explorer, is an open-source Python GUI
for interactive phasor analysis of FLIM data developed by Chiara Stringari
and others. The software is distributed under the GPL license.
-- `FLIM_tools `_
+-
+ .. _flim_tools:
+
+ `FLIM_tools `_
is an open-source Python library for linear unmixing and phasor tools for
FLIM analysis developed by Jay Unruh. The library is distributed under
the GPL2 license.
-- `tttrlib `_
+-
+ .. _tttrlib:
+
+ `tttrlib `_
is an open-source C++ and Python library to read, write, and process
time-tagged time-resolved (TTTR) data. It includes functions for computing
and correcting phasor coordinates. The library is distributed under the
BSD license.
-- `PhasorIdentifier `_
+-
+ .. _phasor_identifier:
+
+ `PhasorIdentifier `_
is a Jupyter notebook to analyze FLIM files, including masking, cell
segmentation, pH correlation, nanoscale effects, and precise quantification.
The notebook is distributed under CC BY-NC 4.0.
-- `FLIMLib `_ is an exponential curve fitting
+-
+ .. _flimlib:
+
+ `FLIMLib `_ is an exponential curve fitting
library used for Fluorescent Lifetime Imaging (FLIM). It includes a function
to calculate phasor coordinates from time-resolved signals.
FLIMLib is licensed under the GPL v3.
-- `PAM `_
- is an open-source GUI-based Matlab package for the analysis of fluorescence
+-
+ .. _flimfit:
+
+ `FLIMfit `_ is an open-source, MATLAB-based tool
+ to analyse and visualize time-resolved data from FLIM measurements
+ including TCSPC and wide-field time-gated imaging.
+ It includes a segmentation tool based on the phasor approach.
+ The affiliated `FlimReader `_ library
+ provides file readers for FLIM data including TTTR.
+ FLIMfit is licensed under the GPL v2.
+
+-
+ .. _pam:
+
+ `PAM `_
+ is an open-source GUI-based MATLAB package for the analysis of fluorescence
experiments. The phasor analysis includes region of interests, fractions,
triangular mixtures, and FRET estimation. PAM is licensed under the GPL v3.
-- `Instant-FLIM-Analysis `_
- is an open-source Matlab program that analyzes data acquired with an
+-
+ .. _instant_flim_analysis:
+
+ `Instant-FLIM-Analysis `_
+ is an open-source MATLAB-based program that analyzes data acquired with an
"instant FLIM" system. It supports image segmentation based on phasor plot
regions of interest and K-means clustering.
-- `FLIM Studio `_
+-
+ .. _flim_studio:
+
+ `FLIM Studio `_
is a commercial software by FLIM LABS, a vendor of portable devices for
fluorescence lifetime imaging and spectroscopy. The software provides
real-time FLIM phasor-plot analysis, AI-driven phasor-plot analysis
techniques, and an application programming interface. Python modules
by FLIM LABS are available on `GitHub `_.
-- `VistaVision `_
+-
+ .. _vistavision:
+
+ `VistaVision `_
is a commercial Windows desktop software by ISS, Inc., for confocal
microscopy applications, including instrument control, data acquisition,
and data processing. It performs image segmentation of FLIM images via
the phasor plot.
-- `SPCImage `_
+-
+ .. _spcimage:
+
+ `SPCImage `_
is a commercial Windows desktop software by Becker & Hickl (tm) for
TCSPC-FLIM data analysis. It performs image segmentation of time-resolved
data via the phasor plot.
-- `LAS X `_
+-
+ .. _lasx:
+
+ `LAS X `_
is a commercial Windows desktop software by Leica Microsystems.
The software allows, by using phasors, to follow microenvironmental changes,
select components to multiplex signal, and determine FRET efficiency.
-- `Luminosa `_
+-
+ .. _luminosa:
+
+ `Luminosa `_
is a commercial Windows desktop software by PicoQuant GmbH, which includes
single molecule detection, FCS, and time-resolved imaging methods.
The InstaFLIM module allows simultaneous TCSPC and phasor analysis
options for ROI determination.
-- `FlimFast `_
+-
+ .. _flimfast:
+
+ `FlimFast `_
was a research-grade Windows desktop software for frequency-domain,
full-field, fluorescence lifetime imaging at video rate, developed by
Christoph Gohlke during 2000-2002 at UIUC. It enabled phasor vs intensity