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SETI@home is a scientific experiment that uses Internet-connected computers in the Search for Extraterrestrial Intelligence (SETI). You can participate by running a free program that downloads and analyzes radio telescope data.
Windows-based software can be downloaded here:
Version: 3.03 (Size: ~794KB - MD5 Checksum: 76c452fa50faac414e144f0474ed8f4f) Download (mirror #1) Download (mirror #2) Download (mirror #3) Download (mirror #4)
Windows instructions can be found here.
Macintosh-based software can be downloaded here:
Version: 3.03 (Size: ~384KB - MD5 Checksum: 2cdb75d5768cc6f9a7ca646d2f72af91) Download (mirror #1) Download (mirror #2) Download (mirror #3) Download (mirror #4)
Macintosh instructions can be found here.
Command-line-based software can be downloaded here:
Client Operating System Compatibility Client File Name Known to work on OS versions i386-winnt-cmdline Windows 95, 98, 2000, NT
(Windows 95 requires the
Winsock 2 upgradei386-pc-sco3.2v5.0.x OpenServer 5.0.*, UnixWare 7.*.* i386-pc-sysv4.2uw2.1 UnixWare 2.1.*, UnixWare 7.*.* i586-sequent-sysv4 Symmetry or STiNG system ptx v4.4.x, 4.5.x i386-unknown-freebsd2.2.8 FreeBSD 2.2.5, 2.2.6, 2.2.7, 2.2.8
3.1, 3.2, 3.3, 3.4, 4.0i386-unknown-openbsd2.7 OpenBSD 2.6, 2.7 powerpc-ibm-aix4.1.5.0 AIX 4.1.5.0, 4.2.* 4.3.* sparc-sun-solaris2.5.1 Solaris 2.6, 2.7, 2.8 sparc-sun-solaris2.6 Solaris 2.6, 2.7, 2.8
| Platform | Current Version | Download Mirrors (click on one to download) |
OS Info | Checksums: md5 | sum | cksum |
|---|---|---|---|---|---|---|
| 9672-IBM-S390-Linux: | 3.03 | 1 2 3 4 | IBM ZSeries, S/390 Linux | 4e4aa1c2804834e8dcfbdae72aeeaf21 | 01537 | 1417206534 |
| alpha-compaq-T64Uv4.0d: | 3.03 | 1 2 3 4 | 6d5fae078058da9620eb528ce2103a98 | 22415 | 3938017258 | |
| alpha-dec-osf3.0: | 3.03 | 1 2 3 4 | c2acc0c709af4a367c33f0a041fe0512 | 35973 | 1377265025 | |
| alpha-unknown-linux-gnu: | 3.03 | 1 2 3 4 | www.linux.org | ddc9d38ffb5bc7c1189857fc054b7252 | 25816 | 1128317659 |
| alpha-unknown-netbsd1.4: | 3.03 | 1 2 3 4 | www.netbsd.org | c7e8bcf85fde849f10a9c9317db5aca7 | 24713 | 407452684 |
| alpha-winnt-cmdline.exe: | 3.03 | 1 2 3 4 | 5b576c1e542d2082299ef137c57e8e12 | 19548 | 3726276977 | |
| alpha_openvms_bck.exe: | 3.03 | 1 2 3 4 | www.openvms.digital.com | 9cf5dac1ff357b6f8806dd882c159ac4 | 30414 | 2472855435 |
| hppa-parisc-palinux: | 3.03 | 1 2 3 4 | www.esiee.fr/puffin/ | 8aaeb4f16b4703d6f9cbf91a75ebb0b4 | 60350 | 3909621296 |
| hppa2.0-hp-hpux10.20: | 3.03 | 1 2 3 4 | dcedba81ded6a487565221c358552ad5 | 43204 | 529645771 | |
| i386-pc-bsdi4.1: | 3.03 | 1 2 3 4 | www.bsdi.com | 61fc77ce1525c129ea52231630b96527 | 55194 | 509148429 |
| i386-pc-linux-gnu-gnulibc2.1: | 3.03 | 1 2 3 4 | www.linux.org | 6c0e5cd95c8005ffb658f968120be453 | 04772 | 614513637 |
| i386-pc-linux-gnulibc1-static: | 3.03 | 1 2 3 4 | www.linux.org | f1c9cc44ef75f5ca7c07b39edc71f71e | 34429 | 2349675872 |
| i386-pc-os2-warp.zip: | 3.03 | 1 2 3 4 | www.os2ss.com | 678c89308fd4b2ec13eab9475792f2f8 | 01488 | 1758359133 |
| i386-pc-sco3.2v5.0.x: | 3.03 | 1 2 3 4 | www.sco.com/seti/ | 53df16c6c95f7a136fa9df58e32ea133 | 20503 | 4210672332 |
| i386-pc-solaris2.6: | 3.03 | 1 2 3 4 | 93b66018b4fe2a62ada4181814c4d860 | 07988 | 3650612364 | |
| i386-pc-sysv4.2uw2.1: | 3.03 | 1 2 3 4 | www.sco.com/seti/ | bb96334f283f7608bb572e9331a8eec3 | 45054 | 894574500 |
| i386-sco-sysv5.unixware7: | 3.03 | 1 2 3 4 | www.sco.com/seti/ | a0dd8877401736d4e324753e2781afb3 | 23112 | 4191321596 |
| i386-unknown-freebsd2.2.8: | 3.03 | 1 2 3 4 | www.freebsd.org | 2dd4c9016059b7532ae721c7b92be821 | 06832 | 3447533973 |
| i386-unknown-netbsd1.3: | 3.03 | 1 2 3 4 | www.netbsd.org | 93af0abddce335a3e5cc154b438b9a60 | 06627 | 369364940 |
| i386-winnt-cmdline.exe: | 3.03 | 1 2 3 4 | d481476d3b3008e5cfc09239571651a7 | 09733 | 3194655680 |