Information at these sites is predominately free-of-charge:
ADAH Civil War Service Database¹
African Americans in 1870/1871 Tax Books by Ann Gay
Alabama African-American Genealogy
Alabama Marriage Records by County¹
Alabama Slavery and History
Black Cemeteries
Bonner Cemetery Website
Bureau of Land Management Records²
Cemeteries by Sarah Wilcox Mozingo (Oct. 16, 1932 - Jun. 21, 2003) and Others¹
Choctaw County Court Records 1848-1850 & Chancery Court Records 1853-1858, by Ann Gay
Choctaw County CSA Pensions by Ann Gay
Choctaw County Genealogy at AlGenWeb
Choctaw County On Line Census
Family Search.org
Genealogy links at Huntsville.About.com¹
Names in the newspapers between 1849 and 1860, by Ann Gay
Social Security Death Index at Rootsweb
Some African Americans in Choctaw County, by Ann Gay
Some Early Choctaw County Divorces, by Ann Gay
Some Early Choctaw County Marriages, by Ann Gay
World War II Army & Air Force Casualties from Choctaw County

Information at these sites may require a fee or subscription:
Census Database at Ancestry.com
Heritage Quest - Census Research Headquarters¹
Social Security Index at Ancestry.com

Places to find info in Choctaw County
The Choctaw County Public Library
The Choctaw County Historical Museum

Maps
Alabama Dept. of Transportation Maps.³
Alabama Maps²
Choctaw County Map with clickable research links
NAIL (National Archival Information Locator)³
The U.S. Geological Survey's Geographic Name Information Server (GNIS)³
The David Rumsey Collection of maps materials concentrates on 18th and 19th century North and South American cartographic materials.³
The National Oceanic and Atmospheric Administration (NOAA) Historical Map and Chart Collection.³
The Institute of Historical Research - London, England.³