LICENSE INFORMATION: To download and use Multiwfn, you are required to read and agree the following terms:
(a) Currently Multiwfn is free of charge and open-source for both academic and commerical usages, anyone is allowed to freely distribute the original or their modified Multiwfn codes to others.
(b) Multiwfn can be distributed as a free component of commercial code. Selling modified version of Multiwfn may also be granted, however, obtaining prior consent from the original author of Multiwfn (Tian Lu) is needed.
(c) If Multiwfn is utilized in your work, or your own code incorporated any part of Multiwfn code, at least the original paper of Multiwfn MUST BE cited in your work or code:
Tian Lu, Feiwu Chen, J. Comput. Chem., 33, 580-592 (2012)
(d) There is no warranty of correctness of the results produced by Multiwfn, the author of Multiwfn does not hold responsibility in any way for any consequences arising from the use of the Multiwfn.

重要提示:最合理的引用Multiwfn的方法见Multiwfn可执行文件包里的“How to cite Multiwfn.pdf”文档。如果使用了Multiwfn的文章中甚至连上面第(c)条提到的这篇必须引的原文都没引用的话,作者会被列入黑名单,并禁止在未来使用Multiwfn。

Note: It is strongly suggested using Visualping to detect change in "Last update" line in this page so that you can automatically receive notification about latest update via E-mail. Description of all latest updates can be found in "Update History" page.

If download speed from links in this page is too slow, please download the files from MEGA netdisk: (However, in which the files are not updated as frequently as this page).

Development version: 3.8  Last update: 2021-Jan-16

Latest formal version: 3.7  Release date: 2020-Aug-14

All historical versions of Multiwfn can be downloaded via this link.

Citing Multiwfn

This original paper of Multiwfn must be cited if Multiwfn is used in your work:

Tian Lu, Feiwu Chen, Multiwfn: A multifunctional wavefunction analyzer, J. Comput. Chem., 33, 580-592 (2012)

In addition, simultaneously citing my relevant papers, as shown in the "How to cite Multiwfn.pdf" document in Multiwfn binary package, is highly recommended and appreciated when corresponding analysis or function of Multiwfn is involved in your study.