CED Spike2 10.15 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The program belongs to Education Tools. The program's installer file is commonly found as SONVIEW.exe. The following version: 7.0 is the most frequently downloaded one by the program users. The actual developer of the program is Cambridge Electronic Design Limited. We recommend checking the downloaded files with any free antivirus.
From the developer:
Spike2 laboratory software delivers powerful data capture and analysis, stimulus sequencing and experimental control using one of the CED family of data acquisition peripherals.
Specifically developed for life science research, Spike2 is already used in hundreds of laboratories world-wide for a diverse range of applications.
You may want to check out more software, such as Chrono Connect, SDE Object Mover or CEDARLS, which might be similar to CED Spike2.